Quantitative Ability Test

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Quantitative Ability Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

The HCF of two numbers a and b is c. What is the LCM of those two numbers?

A
ab/c

B
ac/b

C
b/ca

D
abc

Solution
Question 2
1 / -0

The value of ‘1856 - 3287 + 5432 - 679’ is:

A
3132

B
2233

C
3322

D
2244

Solution

1856 – 3287 + 5432 – 679

= 7288 – 3966

= 3322

∴ The required value = 3322
Question 3
1 / -0

If 10 men can do a work in 20 days, then how many men can do the same work in 4 days?

A
60 men

B
20 men

C
50 men

D
40 men

Solution

Given,

M₁ = 10, D₁ = 20 days

D₂ = 4 days

Here M is number of men, and D is number of days.

As we know,

M₁× D₁ = M₂ × D₂

⇒ 10 × 20 = M₂ × 4

⇒ M₂ = 200/4 = 50

∴ 50 men can complete the same work in 4 days.
Question 4
1 / -0

Lines x = ay + b, z = cy + d and x = a'y + b', z = c'y + d' are perpendicular, if:

A
aa' + cc' + 1 = 0

B
aa' + cc' - 1 = 0

C
ac + a'c' -1 = 0

D
ac + a'c' + 1 = 0

Solution
Question 5
1 / -0

If the numerator and denominator of a fraction are decreased by 2 then the ratio becomes 2 : 1 and if the numerator is increased by 4 and the denominator by 3 then the ratio becomes 5 : 3 then what is the original fraction?

A
256 : 81

B
16 : 9

C
4 : 3

D
2 : 1

Solution
Question 6
1 / -0

The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increase by 25%. What is the age (in years) of the servant?

A
30

B
35

C
50

D
55

Solution
Question 7
1 / -0

To dispose of the old stocks, a person sold a tea-set for Rs 3,540, which was 41% below the cost price. To make a profit of 11%, the seller should have sold the set for ____ more.

A
2664.42

B
2460

C
1812.60

D
3120

Solution
Question 8
1 / -0

A
-2

B
-1

C
2

D
1

Solution

As we know that, sin (A + B) = sin A × cos B + sin B × cos A and cos (A - B) = cos A × cos B + sin A × sin B.

Question 9

1 / -0

Find the mode of the following data

Class	0 -10	10 - 20	20 - 30	30 - 40	40 - 50
frequency	6	10	14	12	4

25

26.66

36.66

20 Solution

From the given data it is cleared data the highest frequency is 14 and it belongs to 20 - 30 class interval so 20 - 30 is the modal class.

Question 10
1 / -0

The simple interest on some amount is 7/8 of the principal for 5 years. What is the rate (in percentage) of interest per annum?

A
15

B
17.5

C
14

D
22.5

Solution

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Re-Attempt Weekly Quiz Competition

Quantitative Ability Test - 1

Result

Quantitative Ability Test - 1

Score

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Rank

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SHARING IS CARING

Question 1

ab/c

ac/b

b/ca

abc

Solution

Question 2

3132

2233

3322

2244

Solution

Question 3

60 men

20 men

50 men

40 men

Solution

Question 4

aa' + cc' + 1 = 0

aa' + cc' - 1 = 0

ac + a'c' -1 = 0

ac + a'c' + 1 = 0

Solution

Question 5

256 : 81

16 : 9

4 : 3

2 : 1

Solution

Question 6

30

35

50

55

Solution

Question 7

2664.42

2460

1812.60

3120

Solution

Question 8

-2

-1

2

1

Solution

Question 9

25

26.66

36.66

20

Solution

Question 10

15

17.5

14

22.5

Solution

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