Aptitude and Reasoning Questions

The volume of metallic cylindrical pipe of uniform thickness is 748 c.c. Its length is 14 cm and its external radius is 9 cm. The thickness of the pipe is

Select the odd number from the given alternatives.

Δ XYZ is right angled at Y. If m∠Z = 60°, what is the length of YZ (in cm), if ZX = 3√3 cm?

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) All radios are electric goods.
(II) All table­lamps are electric goods.

Conclusions:
(I) Some radios are table­lamps.
(II) Some table lamps are radios.

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

VW, XU, ZS, BQ, ?

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statements:
(I) All pilots are brave men.
(II) All astronauts are pilots.

Conclusion:
(I) All astronauts are brave men.
(II) Some pilots are astronauts.

If compound interest received on a certain amount in the 3rd year is Rs. 1,240, what will be the compound interest (in Rs) for the 4th year on the same amount at 9% rate of interest?