Quantitative and Numerical Ability Test

Result

Quantitative and Numerical Ability Test - 11

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Weekly Quiz Competition

Question 1
1 / -0

How many bricks measuring 25cm × 11cm × 7cm will be needed to build a wall 55m × 14m × 10m?

A
40000

B
400000

C
80000

D
None of these

Solution

Number of bricks required to build the wall

= Volume of the wall/ Volume of 1 brick

= (55m × 14m× 10m) / (25cm × 35cm × 22cm)

= 400000

Hence (b). ✅
Question 2
1 / -0

A
0, 0

B
7, 2

C
2, 7

D
Data inconsistent

Solution
Question 3
1 / -0

If 1/x + 1/y = 1/7 and 2/x + 3/y = 1/6, then find x.

A
11/42

B
42/11

C
34/11

D
11/34

Solution
Question 4
1 / -0

A
8(7/12)

B
10(5/12)

C
6(7/12)

D
8(5/12)

Solution
Question 5
1 / -0

In a city, the average rainfall for the first 5 months of a year is 5 inches and the average rainfall for the last 5 months of that year is 8 inches. Find the average rainfall of that year if the total rainfall for the months of June and July is 7 inches.

A
5 inches

B
6 inches

C
7 inches

D
8 inches

Solution
Question 6
1 / -0

A plant manager wishing to draw up his 7950 workers in the form of a solid square found that he had 29 workers left over. Find the number of men in the front row?

A
77

B
79

C
89

D
91

Solution

According to the question, 7950 – 29 = 7921 workers were arranged in the solid square such that there were as many workers in the front row as the number of rows. Hence, we have to find the square root of 7921. So going by options, 89 is the answer.

Answer C: 89 ✅
Question 7
1 / -0

A mixture contains milk and water in the ratio 5 : 3. On adding 2 litres of water to it, the ratio of milk to water becomes 4 : 3. What is the quantity of the milk in the mixture?

A
40 litres

B
13 litres

C
13.33 litres

D
12 litres

Solution
Question 8
1 / -0

P takes twice the time taken by Q to complete a piece of work, alone. R takes twice the time taken by P to complete the same piece of work. P takes 5 days to complete the work. How much time will they take to finish the work if they work together?

A
5 days

B
3 days

C
2 days

D
1.5 days

Solution
Question 9
1 / -0

In their respective businesses, 10% of A’s profit is equal to 20% of B’s profit. What is the ratio of their respective turnovers?

A
1 : 2

B
2 : 1

C
8 : 9

D
Data insufficient

Solution
Question 10
1 / -0

By how much is four-seventh of 420 greater than two-fifth of 280?

A
112

B
240

C
128

D
116

Solution