Exams

In a committee there are 15 members. If two members whose ages are 45 years and 55 years are replaced by the two new members, then average age of 15 members is increased by 2 years. What is the average age (in years) of the new members?

If cotA = x, then the value of x is

The average weight of 25 candles is 40 grams. If some candles of weight 50 grams each were removed, then average weight becomes 37.5 grams. How many candles of weight 50 grams each were removed? 

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

To avert

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

What is the name of a memory buffer used to accommodate a speed differential ?

Who was recently appointed as the first woman president of Nepal?

If the successive discounts be 20% , 10% and 5% , then the single equivalent rate of discount is