Arithmetic Mock Test 9 - Online MCQ Exam

A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

1 Mark(s)

Your Answer:

3 3
4 4
4 (1/2) 4 (1/2)
Insufficient data Insufficient data

A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately. If A begins first, in how many days the work will be completed ?

1 Mark(s)

Your Answer:

42/4 days 42/4 days
41/4 days 41/4 days
55 days 55 days
None of these None of these

A man gets a simple interest of Rs.500 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate.

1 Mark(s)

Your Answer:

Rs.500 Rs.500
Rs.250 Rs.250
Rs.5012.50 Rs.5012.50
Rs.5062.50 Rs.5062.50
None of these. None of these.

Make the largest product possible using digits 4, 7, and 3.

1 Mark(s)

Your Answer:

A) 141 A) 141
B) 301 B) 301
C) 304 C) 304
D) 305 D) 305

A protractor is used to draw and measure

1 Mark(s)

Your Answer:

A) angles A) angles
B) line segments B) line segments
C) triangle C) triangle
D) none of these D) none of these

If $a:b = 2:3$ and $b:c = 4:5$, find $a:b:c$

1 Mark(s)

Your Answer:

0.2556712962963 0.2556712962963
0.34045138888889 0.34045138888889
0.25850694444444 0.25850694444444
0.34184027777778 0.34184027777778

What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58?

1 Mark(s)

Your Answer:

Rs. 3944 Rs. 3944
Rs. 3828 Rs. 3828
Rs. 4176 Rs. 4176
None of these None of these

Standard form of quadratic equation is:

1 Mark(s)

Your Answer:

ax + bx + c = 0 ax + bx + c = 0
ax² + bx + c = 0 ax² + bx + c = 0
ax² + bx - c = 0 ax² + bx - c = 0
ax² + bx + c = −1 ax² + bx + c = −1

If $a + b + c = 0$, prove that $\frac{a^2}{bc} + \frac{b^2}{ca} + \frac{c^2}{ab} = 3$

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4

The function f : A → B defined by f(x) = 4x + 7, x ∈ R is

1 Mark(s)

Your Answer:

A) one-one A) one-one
B) Many-one B) Many-one
C) Odd C) Odd
D) Even D) Even

(x + 5) (x – 3) =

1 Mark(s)

Your Answer:

A) x 2 + 5x – 15 A) x 2 + 5x – 15
B) x 2 – 3x – 15 B) x 2 – 3x – 15
C) x 2 + 2x + 15 C) x 2 + 2x + 15
D) x 2 + 2x – 15 D) x 2 + 2x – 15

A ribbon of length 5 $\frac{1}{3}$ m is cut into small pieces, each of length $\frac{2}{3}$ m. The number of pieces will be

1 Mark(s)

Your Answer:

A) 5 A) 5
B) 6 B) 6
C) 7 C) 7
D) 8 D) 8

If the equations 2x + 3y + z = 0, 3x + y – 2z = 0 and ax + 2y – bz = 0 has non-trivial solution, then

1 Mark(s)

Your Answer:

A) a – b = 2 A) a – b = 2
B) a + b + 1 = 0 B) a + b + 1 = 0
C) a + b = 3 C) a + b = 3
D) a – b – 8 = 0 D) a – b – 8 = 0

If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in cm2) is________?

1 Mark(s)

Your Answer:

100π 100π
7π 7π
60π 60π
50π 50π

(1 + 3x) 3 is an example of:

1 Mark(s)

Your Answer:

A) Monomial A) Monomial
B) Binomial B) Binomial
C) Trinomial C) Trinomial
D) None of these D) None of these

Which one of the following has a greater perimeter than the rest?

1 Mark(s)

Your Answer:

A square with an area of 36 sq.cm A square with an area of 36 sq.cm
An Equilateral Triangle with a side of 9 cm
A rectangle with 10 cm as length and 40 sq.cm as area
A circle with a radius of 4 cm A circle with a radius of 4 cm

In a ship the provisions are sufficient for 800 men for 50 days. How long will these be sufficient for if there would have been 200 more men?

1 Mark(s)

Your Answer:

40 40
50 50
30 30
56 56

I. x² + 5x + 6 = 0,
II. y² + 9y +14 = 0 to solve both the equations to find the values of x and y?

1 Mark(s)

Your Answer:

If x < y If x < y
If x > y If x > y
If x ≤ y If x ≤ y
If x = y or the relationship between x and y cannot be established.

The correct fraction in the box □ for □ – $\frac{5}{8}=\frac{1}{4}$ is

1 Mark(s)

Your Answer:

A) $\frac{6}{8}$ A) $\frac{6}{8}$
B) $\frac{7}{8}$ B) $\frac{7}{8}$
C) $\frac{1}{2}$ C) $\frac{1}{2}$
D) None of these (\frac{7}{8}\) Assertion-Reason Questions

A polygon having 4 sides is called:

1 Mark(s)

Your Answer:

hexagon hexagon
nonagon nonagon
heptagon heptagon
quadrilateral quadrilateral

Number of lines which can be drawn from one point is

1 Mark(s)

Your Answer:

A) 1 A) 1
B) 2 B) 2
C) infinite C) infinite
D) 5 D) 5

Find the HCF of \$192$ and \$288$

1 Mark(s)

Your Answer:

48 48
64 64
96 96
144 144

In ordered pair (y, z), ‘y’ is called:

1 Mark(s)

Your Answer:

constant constant
first co-ordinate first co-ordinate
second co-ordinate second co-ordinate
co-efficient co-efficient

If tan -1 3 + tan -1 x = tan -1 8, then x =

1 Mark(s)

Your Answer:

A) 5 A) 5
B) $\frac{1}{5}$ B) $\frac{1}{5}$
C) $\frac{5}{14}$ C) $\frac{5}{14}$
D) $\frac{14}{5}$ (\frac{1}{5}\) D) $\frac{14}{5}$ (\frac{1}{5}\)

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

If N be the set of all-natural numbers, consider f : N → N such that f(x) = 2x, ∀ x ∈ N, then f is

1 Mark(s)

Your Answer:

A) one-one onto A) one-one onto
B) one-one into B) one-one into
C) many-one onto C) many-one onto
D) None of these D) None of these

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

1 Mark(s)

Your Answer:

50 50
100 100
150 150
200 200

What is the smallest’4-digit number?

1 Mark(s)

Your Answer:

A) 1000 A) 1000
B) 1001 B) 1001
C) 1100 C) 1100
D) 1010 Hence correct answer is option (a).

By solving the inequality 5a > -20, the answer will be:

1 Mark(s)

Your Answer:

a > 5 a > 5
a > -4 a > -4
a > -6 a > -6
a > -7 a > -7

Sharjeel has a container which has a mixture of wine and water in it. Wine and water are in the ratio 4:1. Sharjeel spills some of the mixture by accident. He then replaces the spilled amount with water of same quantity. But now the wine to water ratio became 3:2. How much water did Sharjeel add?

1 Mark(s)

Your Answer:

3/5 3/5
1/2 1/2
1/4 1/4
2/7 2/7

A student who secures 20 % marks in an examination fails by 30 marks. Another student who secures 32 % marks gets 42 marks more than those required to pass. The percentage of marks required to pass is:________?

1 Mark(s)

Your Answer:

20% 20%
25 % 25 %
28% 28%
30% 30%

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is____________?

1 Mark(s)

Your Answer:

Rs. 3500 Rs. 3500
Rs. 4000 Rs. 4000
Rs. 4050 Rs. 4050
Rs. 5000 Rs. 5000

Find the average of \$20, 30, 40$

1 Mark(s)

Your Answer:

25 25
28 28
32 32
30 30

$\left|\begin{array}{lll} a^{2} & 2 a b & b^{2} \\ b^{2} & a^{2} & 2 a b \\ 2 a b & b^{2} & a^{2} \end{array}\right|$ is equal to

1 Mark(s)

Your Answer:

A) a 3 – b 3 A) a 3 – b 3
B) a 3 + b 3 B) a 3 + b 3
C) (a 3 – b 3 ) 2 C) (a 3 – b 3 ) 2
D) (a 3 + b 3 ) 2 (a 3 + b 3 ) 2 D) (a 3 + b 3 ) 2 (a 3 + b 3 ) 2

Let the two numbers be 36 and 42. If both numbers are increased by 1, the increase in its product is

1 Mark(s)

Your Answer:

A) 78 A) 78
B) 79 B) 79
C) 81 C) 81
D) 80 D) 80

60% of a number is added to 120, the result is the same number. Find the number?

1 Mark(s)

Your Answer:

300 300
200 200
400 400
500 500

If a bicycle wheel had 48 spokes, then the angle between a pair of two consecutive spokes is

1 Mark(s)

Your Answer:

A) (5$\frac{1}{2}$)° A) (5$\frac{1}{2}$)°
B) (7$\frac{1}{2}$)° B) (7$\frac{1}{2}$)°
C) ($\frac{2}{11}$)° C) ($\frac{2}{11}$)°
D) ($\frac{2}{15}$)° (7$\frac{1}{2}$)°

1170 is not divisible by:

1 Mark(s)

Your Answer:

A) 10 A) 10
B) 9 B) 9
C) 5 C) 5
D) 4 D) 4

What is $\frac{15}{22} + \frac{7}{22}$?

1 Mark(s)

Your Answer:

1 1
$\frac{21}{22}$ $\frac{21}{22}$
$\frac{23}{22}$ $\frac{23}{22}$
$\frac{10}{11}$ $\frac{10}{11}$

What is $\sqrt{1521}$?

1 Mark(s)

Your Answer:

39 39
37 37
41 41
43 43

1 ⁄ α + 1 ⁄ β is equal to:

1 Mark(s)

Your Answer:

1 ⁄ α 1 ⁄ α
1 ⁄ β 1 ⁄ β
α + β ⁄ αβ α + β ⁄ αβ
α - β ⁄ αβ α - β ⁄ αβ

(815 / ?) / 100 * 28 * 3 – (815 * 14 * 6)/100 = 1680

1 Mark(s)

Your Answer:

2000 2000
3000 3000
4000 4000
6000 6000

Jennifer and Joseph together have $90. If Jennifer gives Joseph $20 then Joseph will have twice as much money as Jennifer. The original amount of money Jennifer and Joseph have is:

1 Mark(s)

Your Answer:

Jennifer = $50, Joseph = $40 Jennifer = $50, Joseph = $40
Jennifer = $60, Joseph = $20 Jennifer = $60, Joseph = $20
Jennifer = $25, Joseph = $40 Jennifer = $25, Joseph = $40
Jennifer = $30, Joseph = $45 Jennifer = $30, Joseph = $45

The product of \$12$ and \$5$ is:

1 Mark(s)

Your Answer:

60 60
65 65
70 70
75 75

Danish his car at a speed of 120 kmph for the first 2 hours and then at a speed of 100 kmph for the next half an hour. Find the distance covered by him during the entire journey.

1 Mark(s)

Your Answer:

300 km 300 km
290 km 290 km
250 km 250 km
240 km 240 km

How much 60% of 50 is greater than 40% of 30?

1 Mark(s)

Your Answer:

18 18
13 13
15 15
20 20

Which of the following is a binomial iny?

1 Mark(s)

Your Answer:

A) y 2 + 2 A) y 2 + 2
B) y + $\frac{1}{y}$ + 2 B) y + $\frac{1}{y}$ + 2
C) √7 + √2y C) √7 + √2y
D) y√y + 1 D) y√y + 1

The union of two non-collinear rays with some common end point is called:

1 Mark(s)

Your Answer:

vertex vertex
angle angle
degree degree
radius radius

Evaluating Your Answers

Arithmetic Mock Test 9 : Question 1 of 48