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Quantitative-aptitude Questions Set 2:

Quiz Mode

The sum of the first 45 natural numbers is:

1035

1280

2070

2140

Solution:

Which number should be in next series?

1-1-2-3-5-8-13

Solution:

For an Arithmetic Progression, the difference between the 18th term and 8th term is

10d

20d

Solution:

If 7 spiders make 7 webs in 7 days, then how many days are needed for 1 spider to make 1 web?

Solution:

The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 270. The banker's discount is:

Rs. 960

Rs. 840

Rs. 1020

Rs. 760

Solution:

The sum of the ages of 5 children born at intervals of 3 years each is 50 years. What is the age of the youngest child?

none of these

Solution:

Ramesh is 50% faster than Shammu. In a race, Ramesh gave Shammu a head start of 200m, and they finished the race simultaneously. Find the length of the race.

600

625

602

582

Solution:

In a 500m race, B starts 45m ahead of A, but A wins the race while B is still 35m behind. What is the ratio of the speeds of A to B, assuming that both start at the same time?

25:21

25:20

5:3

5:7

Solution:

A train travelled from station P to Q in 8 hours and came back from station Q to P in 6 hours. What is the ratio of the train's speed while traveling from station P to Q compared to its speed from station Q to P?

4:3

9:16

16:9

3:4

Solution:

The half-life of an isotope is the amount of time required for 50% of a sample of the isotope to undergo radioactive decay. The half-life of the carbon-14 isotope is 5,730 years. How many years must pass until a sample that starts out with 10,000 carbon-14 isotopes decays into a sample with only 500 carbon-14 isotopes?

21,600 years

12,500 years

5,500 years

22,920 years

Quantitative-aptitude Questions Set 2:

The sum of the first 45 natural numbers is:

Solution:

Which number should be in next series?

Solution:

For an Arithmetic Progression, the difference between the 18th term and 8th term is

Solution:

If 7 spiders make 7 webs in 7 days, then how many days are needed for 1 spider to make 1 web?

Solution:

The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 270. The banker's discount is:

Solution:

The sum of the ages of 5 children born at intervals of 3 years each is 50 years. What is the age of the youngest child?

Solution:

Ramesh is 50% faster than Shammu. In a race, Ramesh gave Shammu a head start of 200m, and they finished the race simultaneously. Find the length of the race.

Solution:

In a 500m race, B starts 45m ahead of A, but A wins the race while B is still 35m behind. What is the ratio of the speeds of A to B, assuming that both start at the same time?

Solution:

A train travelled from station P to Q in 8 hours and came back from station Q to P in 6 hours. What is the ratio of the train's speed while traveling from station P to Q compared to its speed from station Q to P?

Solution:

Solution:

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