ECAT Mock Test 7 - Online MCQ Exam

In the given figure, PQ and RS are parallel lines. If ∠1=(2 a+b)° and ∠6=(3 a-b)°, then the measure of ∠2 in terms of bis

1 Mark(s)

Your Answer:

A) (2+b)° A) (2+b)°
B) (3-b)° B) (3-b)°
C) (108-b)° C) (108-b)°
D) (180-b)° (108-b)° D) (180-b)° (108-b)°

Three numbers are in the ratio of 3 : 4 : 6 and their product is 1944. The largest of these numbers is :___________?

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Your Answer:

6 6
12 12
18 18
None of these None of these

In how many ways can live boys and three girls sit in a row such that all boys sit together?

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Your Answer:

4800 4800
5760 5760
2880 2880
15000 15000

Cow is . . . . . . . . useful animal.

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Your Answer:

a a
an an
the the
none of the above none of the above

If cos -1 x + sin -1 x = π, then the value of x is

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Your Answer:

A) $\frac{3}{2}$ A) $\frac{3}{2}$
B) $\frac{1}{\sqrt{2}}$ B) $\frac{1}{\sqrt{2}}$
C) $\frac{\sqrt{3}}{2}$ C) $\frac{\sqrt{3}}{2}$
D) $\frac{2}{\sqrt{3}}$ (\frac{\sqrt{3}}{2}\)

If a change is imposed in concentration, temperature or pressure on a chemical system at equilibrium, the system responds in a way that the change is:

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Your Answer:

not opposed not opposed
opposed opposed
rapidly increased rapidly increased
slowly increased slowly increased

Which of the following is the largest?

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Your Answer:

A) 6 $\frac{5}{10}$ A) 6 $\frac{5}{10}$
B) 5 $\frac{6}{10}$ B) 5 $\frac{6}{10}$
C) 5 $\frac{9}{10}$ C) 5 $\frac{9}{10}$
D) 6 $\frac{6}{10}$ (\frac{6}{10}\) D) 6 $\frac{6}{10}$ (\frac{6}{10}\)

ENCOURAGE

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Your Answer:

Dampen Dampen
Disapprove Disapprove
Discourage Discourage
Warn Warn

1. I 2. help 3. not 4. you 5. did

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Your Answer:

24351 24351
15324 15324
45231 45231
43152 43152
52431 52431

Shielding effect is maximum in:

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Your Answer:

p-orbital p-orbital
s-orbital s-orbital
d-orbital d-orbital
f-orbital f-orbital

For hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be:

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Your Answer:

double to this distance double to this distance
equal to this distance equal to this distance
half of this distance half of this distance
one third to this distance one third to this distance

To break a wire, a force of $10^6 N/m^2$ is required. If the density of the material is $3 \times 10^3 kg/m^3$, then the length of the wire which will break by its own weight is:

1 Mark(s)

Your Answer:

$3.4 m$ $3.4 m$
$33.3 m$ $33.3 m$
$300 m$ $300 m$
$340 m$ $340 m$

EXORBITANT : MODERATION ::

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Your Answer:

dispassionate : equanimity dispassionate : equanimity
macabre : interest macabre : interest
perfidious : loyalty perfidious : loyalty
brilliant : gullibility brilliant : gullibility

6.4 * 1.25 = (?)³

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Your Answer:

1 1
4 4
2 2
3 3

By solving -2 + 8 + ( -24 ⁄ -2), the answer is:

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Your Answer:

−18 −18
18 18
−12 −12
12 12

Muscular force is also called _______________ force.

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Your Answer:

A) non-contact A) non-contact
B) contact B) contact
C) gravitational C) gravitational
D) magnetic D) magnetic

In the modern periodic table, the period indicates the value of:

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Your Answer:

A) Atomic Number A) Atomic Number
B) Atomic Mass B) Atomic Mass
C) Principal Quantum Number C) Principal Quantum Number
D) Azimuthal Quantum Number D) Azimuthal Quantum Number

Name the SI unit having the symbol cd?

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Your Answer:

Candela Candela
Cm Cm
Ampere Ampere
Second Second

SONAR stands for:

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Your Answer:

Sound Nullification And Ranging Sound Nullification And Ranging
Sound Navigation And Ranging Sound Navigation And Ranging
Sonic Navigation And Ranging Sonic Navigation And Ranging
Sound Navigation And Reading Sound Navigation And Reading

What is the state of dichloromethane at room temperature?

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Your Answer:

solid solid
liquid liquid
gas gas
plasma plasma

1g of glucose (C6H12O6) provides energy:

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Your Answer:

10KJ 10KJ
160KJ 160KJ
15.6KJ 15.6KJ
80KJ 80KJ

Which of the following numbers is both a multiple of 7 and an even number?

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Your Answer:

A) 14 A) 14
B) 21 B) 21
C) 35 C) 35
D) 49 D) 49

Two trains of equal length are running on parallel tracks at \$46$ km/h and $36$ km/h. They cross each other in $36$ seconds when running in opposite directions. Find the time to cross when running in same direction.

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Your Answer:

280 seconds 280 seconds
295.2 seconds 295.2 seconds
300 seconds 300 seconds
320 seconds 320 seconds

Vitamin D is necessary for:

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Your Answer:

eyes and skin eyes and skin
energy production in cells energy production in cells
healing wounds and preventing colds healing wounds and preventing colds
bones and teeth bones and teeth

Catalyst in forward reaction:

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Your Answer:

Lowers only forward Lowers only forward
Lowers both equally Lowers both equally
Only affects reverse Only affects reverse
No effect No effect

Energy stored in an inductor:

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Your Answer:

$LI^2$ $LI^2$
$1/2 L I^2$ $1/2 L I^2$
$1/2 L^2 I$ $1/2 L^2 I$
$1/2 L I$ $1/2 L I$

The curved surface of a sphere is 64 π cm2. Find its radius?

1 Mark(s)

Your Answer:

1 cm 1 cm
2 cm 2 cm
4 cm 4 cm
3 cm 3 cm

LUCID

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Your Answer:

Glory Glory
Noisy Noisy
Obscure Obscure
Distinct Distinct

In an examination 38% of students fail in English and 61% pass in Urdu and 23% fail in both. Find the actual failure percentage?

1 Mark(s)

Your Answer:

46% 46%
61% 61%
54% 54%
70% 70%

The correct IUPAC name of the coordination compound K 3 |Fe(CN) 5 NO| is

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Your Answer:

A) Potassium pentacyanonitrosylferrate (II)
B) Potassium pentacyanonitroferrate (II)
C) Potassium nitritopentacyanoferrate (IV)
D) Potassium nitritepentacynanoiron (II)

Acceptor and donor impurities donate______________?

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Your Answer:

n-carriers only n-carriers only
p-carriers only p-carriers only
p-carriers and n-carriers respectively p-carriers and n-carriers respectively
n-carriers and p-carriers respectively n-carriers and p-carriers respectively

In astronomical compare to eye piece, objective lens has:

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Your Answer:

negative focal length negative focal length
zero focal length zero focal length
small focal length small focal length
large focal length large focal length

A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 liters per minute. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours. The capacity of the tank is?

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Your Answer:

5260 liters 5260 liters
5760 liters 5760 liters
5846 liters 5846 liters
6970 liters 6970 liters

The mass of earth is:

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Your Answer:

5 * 1024 kg 5 * 1024 kg
6 * 1024 6 * 1024
7 * 1024 7 * 1024
8 * 1024 8 * 1024

Afnan wants to borrow Rs.6000 at rate of interest 6% p.a. at S.I and lend the same amount at C.I at same rate of interest for two years. What would be his income in the above transaction?

1 Mark(s)

Your Answer:

Rs.21.60 Rs.21.60
Rs.24.00 Rs.24.00
Rs.25.20 Rs.25.20
Rs.27.80 Rs.27.80
None of these None of these

If the length, breadth and the height of a cuboid are in the ratio 6: 5: 4 and if the total surface area is 33300 cm², then length breadth and height in cms, are respectively?

1 Mark(s)

Your Answer:

90, 85, 60 90, 85, 60
85, 75, 60 85, 75, 60
90, 75, 70 90, 75, 70
90, 75,60 90, 75,60

GILL : FIN ::

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Your Answer:

Cockroach : Antenna Cockroach : Antenna
Instrument : Pencil Instrument : Pencil
Hard Disk : Keyboard Hard Disk : Keyboard
Bread : Butter Bread : Butter

Diazonium salts are colored due to:

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Your Answer:

Extended conjugation Extended conjugation
Single bonds Single bonds
Metallic character Metallic character
Oxidation Oxidation

Vulcanization of rubber involves:

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Your Answer:

Adding plasticizer Adding plasticizer
Heating only Heating only
Heating with sulfur Heating with sulfur
Adding filler Adding filler

The value of (2.75)3 – (2.00)3 – (0.75)3 is__________?

1 Mark(s)

Your Answer:

3 * 2.75 * 2.75 * 2.75 3 * 2.75 * 2.75 * 2.75
3 * 2.00 * 2.00 * 2.00 3 * 2.00 * 2.00 * 2.00
3 * 2.75 * 0.75 * 2.75 3 * 2.75 * 0.75 * 2.75
4.5 * 2.75 4.5 * 2.75

The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?

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Your Answer:

25 cm2 25 cm2
42 cm2 42 cm2
49 cm2 49 cm2
None of these None of these

1 + cot²θ equals to:

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Your Answer:

sec²θ sec²θ
sin²θ sin²θ
cosec²θ cosec²θ
cos²θ cos²θ

What are the dimensions of Angular Velocity?

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Your Answer:

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

S1: We now know that the oceans are very deep. P : For example, the Indian ocean has a range called the Indian Ridge. Q : Much of it is fairly flat. R : However, there are great mountain ranges as well. S : On average the bottom is 2.5 miles to 3.5 miles down S6: This reaches from the India to the Antarctic. The Proper sequence should be:

1 Mark(s)

Your Answer:

SQPR SQPR
PQSR PQSR
RSQP RSQP
QPRS QPRS

A place where monks live as a secluded community

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Your Answer:

Cathedral Cathedral
Diocese Diocese
Convent Convent
Monastery Monastery

Which of the following is used to make rectified spirit by fermentation process?

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Your Answer:

cellulose cellulose
starch starch
glucose glucose
fructose fructose

Oriel : Room : : Tendon : ___________?

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Your Answer:

Blood Blood
Muscles Muscles
Veins Veins
Liver Liver

Hot : Oven : : Cold : _________?

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Your Answer:

Ice Cream Ice Cream
Air Conditioner Air Conditioner
Snow Snow
Refrigerator Refrigerator

Evaluating Your Answers

ECAT Mock Test 7 : Question 1 of 48