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Quantitative-aptitude Questions Set 284:

Quiz Mode

The sum of first n odd natural numbers is

n*n

2n + 1

2n - 1

n - 1

Solution:

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

2: 5

3: 5

4: 5

6: 7

Solution:

A sum of money deposited at C.I. amounts to Rs.2420 in 2 years and to Rs.2662 in 3 years. Find the rate percent.

12%

10%

15%

Solution:

Ram is three times as old as his Sam. 2 years ago he was five times as old as Sam. What is the present age of Ram?

12 years

13 years

14 years

16 years

Solution:

When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction.

4/5

4/7

5/6

6/7

Solution:

A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?

Rs. 35

Rs. 245

Rs. 350

Cannot be determined

Solution:

A vessel is filled with a liquid mixture that is 3 parts water and 5 parts syrup. What fraction of the mixture must be drawn off and replaced with water so that the final mixture is half water and half syrup?

4/5

3/5

1/5

2/5

Solution:

The ratio of tea drinking and coffee drinking people in a meeting is 4:3. If 14 tea drinking people start drinking coffee, then the ratio becomes 1:1. Everyone in the meeting drinks either tea or coffee. Find the total number of people present in the meeting.

112

172

196

Solution:

A cube is painted in such a way that a pair of adjacent faces are painted in green; a pair of opposite faces is painted in yellow and another pair of adjacent faces are painted in red.
This cube is now cut into 125 small but identical cubes.

How many small cubes have at least two different colour on their faces?

Solution:

Raman has 2 urns. Both these urns have some pebbles. If 20 pebbles from urn B are shifted to urn A then, the number of pebbles in each urn become interchanged. But if 10 pebbles from urn A are put into urn B, then number of pebbles in B are twice the number in A. How many pebbles do A and B have respectively?

60 and 40

80 and 100

50 and 70

Quantitative-aptitude Questions Set 284:

The sum of first n odd natural numbers is

Solution:

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

Solution:

A sum of money deposited at C.I. amounts to Rs.2420 in 2 years and to Rs.2662 in 3 years. Find the rate percent.

Solution:

Ram is three times as old as his Sam. 2 years ago he was five times as old as Sam. What is the present age of Ram?

Solution:

When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction.

Solution:

A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?

Solution:

A vessel is filled with a liquid mixture that is 3 parts water and 5 parts syrup. What fraction of the mixture must be drawn off and replaced with water so that the final mixture is half water and half syrup?

Solution:

The ratio of tea drinking and coffee drinking people in a meeting is 4:3. If 14 tea drinking people start drinking coffee, then the ratio becomes 1:1. Everyone in the meeting drinks either tea or coffee. Find the total number of people present in the meeting.

Solution:

Solution:

Solution:

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