Exams

Gautam goes to office at a speed of 12 kmph and returns home at 10 kmph.His average speed is

If P/Q = R/S = T/U = 3/4 is (4P + 5R + 7T) : (3Q + 4S + 7U)?

Each of the following questions hasfour statements. Three are logically correct. Some of which may look factually absurd. Ignore this absurdity and look to the logical corrections. Choose the statement which is wrong or doubtful:

X and Y undertook to do a piece of work for Rs 5400. X alone could do this work in 18 days and Y alone could do this work in 24 days. With the assistance of Z they finished the work in 8 days. What is the share (in Rs) of Z?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Reprimand

What fraction of 2 hours is 12 seconds?

A man can row his boat at a speed of speed of 4 kmph and he finds that the time taken rowing upstream is double to that taken downstream. Find the speed of the stream (in kmph).

There are red (A), yellow(B) and green (C) tokens in a bag. A : B :: 3 : 8, B : C :: 6 : 13. A : B : C is given by