Exams

A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?

Pramod can paint a wall red in 12 hours while Brajen can whitewash the wall completely in 16 hrs. If Pramod and Brajen work alternately for an hour each starting when the wall has just cement on it till when it is completely painted red, how many hours will it take to paint the entire wall red?

The first and last terms of an arithmetic progression are 32 and ­-43. If the sum of the series is ­-88, then it has how many terms?

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Eminent

A and B start an enterprise together, with A as active partner. A invests Rs 4000 and Rs 2000 more after 8 months. B invests Rs 5000 and withdraws Rs 2000 after 9 months. Being the active partner, A takes Rs 100 per month as allowance, from the profit. What is the share of B if the profit for the year is Rs 6700?

If a2sec2x - b2tan2x = c2 then the value of sec2x + tan2x is equal to (assume b2 ≠ a2 )

Supercooling is cooling of liquid _____.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

At the top of your lungs