Pakistan Air Force Mock Test 18

Statement: Should so much money be spent on advertisements? Arguments: Yes. It is an essential concomitant in a capitalist economy. No. It leads to wastage of resources.

1 Mark(s)

Your Answer:

Only argument I is strong Only argument I is strong
Only argument II is strong Only argument II is strong
Either I or II is strong Either I or II is strong
Neither I nor II is strong Neither I nor II is strong
Both I and II are strong Both I and II are strong

1252 * 23 + 35000 = (?)2

1 Mark(s)

Your Answer:

200 200
400 400
1600 1600
800 800

Kites . . . . . . . available in many colours and shapes.

1 Mark(s)

Your Answer:

have have
are are
do do
many many

Choose analogous pair: Cat : Mouse

1 Mark(s)

Your Answer:

Horse : Stable Horse : Stable
Trap : Cheese Trap : Cheese
Bird : Worm Bird : Worm
Lion : Cage Lion : Cage

A tyre pumped to a pressure of 3.375 atm at $27^\circ C$ suddenly bursts. The final temperature is ($\gamma = 1.5$):

1 Mark(s)

Your Answer:

$-73^\circ C$ $-73^\circ C$
$27^\circ C$ $27^\circ C$
$0^\circ C$ $0^\circ C$
$-27^\circ C$ $-27^\circ C$

Magnifying power of simple microscope______________?

1 Mark(s)

Your Answer:

increase with increase in focal length increase with increase in focal length
increase with decrease in focal length increase with decrease in focal length
no effect with decrease or increase with focal length
list distance of distinct vision list distance of distinct vision

Which bird can fly backwards?

1 Mark(s)

Your Answer:

Hummingbird Hummingbird
Sparrow Sparrow
Eagle Eagle
Parrot Parrot

Synonym of ” Intrepid ” ________ ?

1 Mark(s)

Your Answer:

Knave Knave
Brave Brave
Afraid Afraid
None of these None of these

What is the chemical symbol for silver?

1 Mark(s)

Your Answer:

Si Si
S S
Ag Ag
Sr Sr

The energy of a photon is given by:

1 Mark(s)

Your Answer:

$h\nu$ $h\nu$
$h\lambda$ $h\lambda$
$h/\nu$ $h/\nu$
$mc^2$ $mc^2$

We have been in Sector: 8, Gandhinagar . . . . . . . 1997.

1 Mark(s)

Your Answer:

for for
from from
about about
since since

For a prism of angle $A$, the refractive index is $\cot(A/2)$. The angle of minimum deviation is:

1 Mark(s)

Your Answer:

$180 - A$ $180 - A$
$180 - 3A$ $180 - 3A$
$180 - 2A$ $180 - 2A$
$90 - A$ $90 - A$

The price of an article has been reduced by 25 %. In order to restore the original price, the new price must be increased by:________?

1 Mark(s)

Your Answer:

33 1/3 % 33 1/3 %
11 1/9 % 11 1/9 %
9 1/11 % 9 1/11 %
66 2/3 % 66 2/3 %

What will be the result of 1397 x 1397?

1 Mark(s)

Your Answer:

1951609 1951609
1951608 1951608
1951699 1951699
None of the above None of the above

Headquarters of WTO is in:

1 Mark(s)

Your Answer:

Geneva Geneva
New York New York
Paris Paris
Brussels Brussels

If negotiations are to prove fruitful, there must not only be sincerity on each side, but there must also be ...... in the sincerity of the other side.

1 Mark(s)

Your Answer:

faith faith
belief belief
substance substance
certainty certainty

Masood’s age 18 years hence will be thrice his age four years ago. Find Masood’s present age?

1 Mark(s)

Your Answer:

12 years 12 years
21 years 21 years
18 years 18 years
9 years 9 years
None of these None of these

What organelle packages proteins?

1 Mark(s)

Your Answer:

Ribosomes Ribosomes
Golgi apparatus Golgi apparatus
Mitochondria Mitochondria
Lysosomes Lysosomes

A vector can have maximum________components in space.?

1 Mark(s)

Your Answer:

Zero Zero
Two Two
Three Three
Infinite Infinite

Meenakshi Temple is in:

1 Mark(s)

Your Answer:

Madurai Madurai
Chennai Chennai
Trichy Trichy
Coimbatore Coimbatore

The absence of law and order

1 Mark(s)

Your Answer:

Rebellion Rebellion
Anarchy Anarchy
Mutiny Mutiny
Revolt Revolt

If cost of sugar increases by 25%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?

1 Mark(s)

Your Answer:

10% 10%
15% 15%
20% 20%
25% 25%
None None

Sum of 4 a-2 b+c and -4 a+2 b-c is:

1 Mark(s)

Your Answer:

A) 8a A) 8a
B) 4b B) 4b
C) 2c C) 2c
D) 0 D) 0

Two people X and Y apply for a job in a company. The probability of the selection of X is 2/5, and Y is 4/7. What is the probability that both of them get selected?

1 Mark(s)

Your Answer:

1/6 1/6
27/35 27/35
8/35 8/35
3/35 3/35

The direction of electric field intensity in an electric field can be represented by drawing:

1 Mark(s)

Your Answer:

points points
images images
circles circles
lines lines

The Captain said to his men, "Stand at ease."

1 Mark(s)

Your Answer:

The Captain urged his men to stand at ease.
The Captain wanted his men to stand at ease.
The Captain told his men that they should stand at ease.
The Captain commanded his men to stand at ease.

The ratio of stress to tensile strain is called:

1 Mark(s)

Your Answer:

Pascal's modulus Pascal's modulus
Young's modulus Young's modulus
Newton's modulus Newton's modulus
Charles's Law Charles's Law

The acceleration due to gravity ($g$) at the center of the Earth is:

1 Mark(s)

Your Answer:

$9.8 m/s^2$ $9.8 m/s^2$
Zero Zero
Infinite Infinite
$4.9 m/s^2$ $4.9 m/s^2$

Direction : Two statements I and II are given. These statement may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other statements. Read both the statements and decide which of the following answer choice correctly depicts the relationship between these two statements. Mark answer : I. The police authority has recently caught a group of house breakers. II. The citizens group in the locality have started night vigil in the area.

1 Mark(s)

Your Answer:

Statement I is the cause and statement II is its effect
Statement II is the cause and statement I is its effect
Both the statements I and II are independent causes
Both the statements I and II are effects of independent causes
Both the statements I and II are effects of some common cause

The number of images formed by two plane mirrors inclined at $60^\circ$ is:

1 Mark(s)

Your Answer:

6 6
5 5
4 4
3 3

All the trees in the park are flowering trees. Some of the trees in the park are dogwoods. All dogwoods in the park are flowering trees. If the first two statements are true, the third statement is

1 Mark(s)

Your Answer:

true true
false false
uncertain uncertain

Which is NOT a classification of plate boundaries: Convergent, Divergent, Transform, Horizontal?

1 Mark(s)

Your Answer:

Convergent Convergent
Divergent Divergent
Transform Transform
Horizontal Horizontal

Synonym of VAGUE is_________?

1 Mark(s)

Your Answer:

Fuzzy Fuzzy
Clear Clear
ill-timid ill-timid
Evade Evade

Mohan is older than Prabir. Suresh is younger than Prabir. Mihir is older than Suresh, but younger than Prabir. Who among the four is youngest?

1 Mark(s)

Your Answer:

Prabir Prabir
Mihir Mihir
Mohan Mohan
Suresh Suresh

Materials having a resistance that changes with voltage or current are called:

1 Mark(s)

Your Answer:

ohmic ohmic
non-ohmic non-ohmic
batteries batteries
capacitors capacitors

Convert 1/4 to percentage

1 Mark(s)

Your Answer:

0.5 0.5
0.25 0.25
0.75 0.75
0.1 0.1

Which of the following number is divisible by 8?

1 Mark(s)

Your Answer:

A) 293 A) 293
B) 1205 B) 1205
C) 1648 C) 1648
D) 2003 D) 2003

The National Emblem of India is taken from:

1 Mark(s)

Your Answer:

Ashoka Pillar Ashoka Pillar
Qutub Minar Qutub Minar
Sanchi Stupa Sanchi Stupa
Ajanta Ajanta

Once you suspect a person of double dealing, you ought to keep him at arm's ......

1 Mark(s)

Your Answer:

distance distance
length length
aim aim
width width

The color of the terminal of the galvanometer that shows the positive polarity is:

1 Mark(s)

Your Answer:

red red
blue blue
black black
green green

Two capacitors $C_1, C_2$ are in parallel. Equivalent is:

1 Mark(s)

Your Answer:

$C_1 + C_2$ $C_1 + C_2$
$C_1 C_2 / (C_1+C_2)$ $C_1 C_2 / (C_1+C_2)$
$C_1/C_2$ $C_1/C_2$
$1/C_1 + 1/C_2$ $1/C_1 + 1/C_2$

What is synonym of Maladroit?

1 Mark(s)

Your Answer:

Clever Clever
Adept Adept
Clumsy Clumsy
Serious Serious

A sum at 25% CI becomes \$15625 in 2 years. Find the sum?

1 Mark(s)

Your Answer:

\$9800 \$9800
\$9900 \$9900
\$10100 \$10100
\$10000 \$10000

Which of the following expressions can be used to get all the odd numbers?

1 Mark(s)

Your Answer:

A) 2n-1 A) 2n-1
B) 2 n B) 2 n
C) 3 n+2 C) 3 n+2
D) 2n+6 D) 2n+6

The mechanical waves in which particles of the medium vibrate about their mean position along the direction of propagation of the waves are called:

1 Mark(s)

Your Answer:

transverse waves transverse waves
longitudinal waves longitudinal waves
mechanical waves mechanical waves
electromagnetic waves electromagnetic waves

. . . . . . . . Children recited . . . . . . . . poem in . . . . . . . . honour of . . . . . . . . Prime Minister.

1 Mark(s)

Your Answer:

the, a, an, a the, a, an, a
a, the, the, the a, the, the, the
no article, a, an, the no article, a, an, the
the, a, the, the the, a, the, the

Bad conductors are also called:

1 Mark(s)

Your Answer:

convectors convectors
insulators insulators
radiant radiant
termaids termaids

If the three-fifth of a number is equal to 70% of another number, what is the ratio between the first number and second number?

1 Mark(s)

Your Answer:

6 : 7 6 : 7
7 : 6 7 : 6
3 : 4 3 : 4
4 : 3 4 : 3

The force required to separate two glass plates of area $A$ with a film of water of thickness $d$ (Surface tension $T$) is:

1 Mark(s)

Your Answer:

$AT/d$ $AT/d$
$4AT/d$ $4AT/d$
$2AT/d$ $2AT/d$
$AT/2d$ $AT/2d$

Acceleration $a$ vs time $t$ graph is a triangle with base $T$ and height $a_0$. Max velocity attained (from rest) is:

1 Mark(s)

Your Answer:

$a_0 T$ $a_0 T$
$2 a_0 T$ $2 a_0 T$
$\frac{1}{2} a_0 T$ $\frac{1}{2} a_0 T$
$a_0 T^2$ $a_0 T^2$

Constitution is to Amendment as Book is to?

1 Mark(s)

Your Answer:

Errata Errata
Contents Contents
Preface Preface
Acknowledgement Acknowledgement

ICT is a blend of:

1 Mark(s)

Your Answer:

IT and telecommunication IT and telecommunication
technology and communication technology and communication
codes and information codes and information
IT and social networking IT and social networking

What is the largest flower in the world?

1 Mark(s)

Your Answer:

Sunflower Sunflower
Rafflesia Rafflesia
Lotus Lotus
Rose Rose

If $\frac{2x+3}{3x-5} = \frac{5}{7}$, find the value of $x$

1 Mark(s)

Your Answer:

42 42
44 44
45 45
46 46

To run away with a lover is?

1 Mark(s)

Your Answer:

deceive deceive
cheat cheat
escape escape
elope elope

"Friends and comrades, the light has gone away from our lives and there is darkness everywhere"

1 Mark(s)

Your Answer:

off off
out of out of
out from out from
out off out off
No correction required No correction required

Two wires of same radius and length are joined end to end. $Y_1, Y_2$ are moduli. The equivalent Young's modulus of combination is:

1 Mark(s)

Your Answer:

$Y_1+Y_2$ $Y_1+Y_2$
$\sqrt{Y_1Y_2}$ $\sqrt{Y_1Y_2}$
$2Y_1Y_2/(Y_1+Y_2)$ $2Y_1Y_2/(Y_1+Y_2)$
$(Y_1+Y_2)/2$ $(Y_1+Y_2)/2$

Ram walks 9 km towards East, turns left and walks 12 km, turns left again and walks 9 km. In which direction and how far is he from start?

1 Mark(s)

Your Answer:

21 km East 21 km East
18 km North 18 km North
12 km North 12 km North
15 km North-West 15 km North-West

Which of the following is a letter stating readers for what they are receiving is commonly called?

1 Mark(s)

Your Answer:

Complaint letters Complaint letters
Official letter Official letter
Good newsletters Good newsletters
Cover letters Cover letters

The synonym of 'Brave' is:

1 Mark(s)

Your Answer:

Courageous Courageous
Coward Coward
Timid Timid
Fearful Fearful

I ___ my keys yesterday.

1 Mark(s)

Your Answer:

lose lose
losing losing
lost lost
have lost have lost

Eternal City refers to:

1 Mark(s)

Your Answer:

Rome Rome
Athens Athens
Jerusalem Jerusalem
Cairo Cairo

In a class, there are 18 boys who are over 160 cm tall. If these constitute three-fourths of the boys and the total number of boys is two-thirds of the total number of students in the class, what is the number of girls in the class ?

1 Mark(s)

Your Answer:

6 6
12 12
18 18
24 24

A+B = B+A is a true or false statement if the order of A matrix and B matrix is the same.

1 Mark(s)

Your Answer:

False False
True True

What is the unit of temperature in the Kelvin scale?

1 Mark(s)

Your Answer:

A) Degree Kelvin A) Degree Kelvin
B) Kelvin B) Kelvin
C) Degree Celsius C) Degree Celsius
D) Degree Fahrenheit D) Degree Fahrenheit

A line segment has two end points and a line has _____ end points.

1 Mark(s)

Your Answer:

A) 1 A) 1
B) 2 B) 2
C) Zero C) Zero
D) None of these D) None of these

For what value of x, matrix $\left[\begin{array}{ll} 6-x & 4 \\ 3-x & 1 \end{array}\right]$ is a singularmatrix?

1 Mark(s)

Your Answer:

A) 1 A) 1
B) 2 B) 2
C) -1 C) -1
D) -2 D) -2

What is the dimensional formula for Speed?

1 Mark(s)

Your Answer:

$[LT^{-1}]$ $[LT^{-1}]$
$[LT^{-2}]$ $[LT^{-2}]$
$[MLT^{-1}]$ $[MLT^{-1}]$
$[L^{-1}T]$ $[L^{-1}T]$

Statements: All hill stations have a sun-set point. X is a hill station. Conclusions: X has a sun-set point. Places other than hill stations do not have sun-set points.

1 Mark(s)

Your Answer:

Only conclusion I follows Only conclusion I follows
Only conclusion II follows Only conclusion II follows
Either I or II follows Either I or II follows
Neither I nor II follows Neither I nor II follows
Both I and II follow Both I and II follow

Supervisor : Worker ::

1 Mark(s)

Your Answer:

Junior : Senior Junior : Senior
Superior : Inferior Superior : Inferior
Elder : Younger Elder : Younger
Debtor : Creditor Debtor : Creditor
Officer : Clerk Officer : Clerk

If f : R → R defind by f(x) = $\frac{2 x-7}{4}$ is an invertible function, then find f -1 .

1 Mark(s)

Your Answer:

A) $\frac{4 x+5}{2}$ A) $\frac{4 x+5}{2}$
B) $\frac{4 x+7}{2}$ B) $\frac{4 x+7}{2}$
C) $\frac{3 x+2}{2}$ C) $\frac{3 x+2}{2}$
D) $\frac{9 x+3}{5}$ (\frac{4 x+7}{2}\)

Other countries have eradicated this disease ten years ago.

1 Mark(s)

Your Answer:

eradicated eradicated
had eradicated had eradicated
did eradicated did eradicated
No improvement No improvement

What is the meaning of the idiom “Spill the beans”?

1 Mark(s)

Your Answer:

To make a mess To make a mess
To reveal a secret To reveal a secret
To tell a lie To tell a lie
To start a fight To start a fight

Synonym of “inordinate” is _________?

1 Mark(s)

Your Answer:

excessive excessive
illegal illegal
bad bad
demanding demanding

Evaluating Your Answers

Pakistan Air Force Mock Test 18 : Question 1 of 74