Exams

Two pipes can fill a cistern in 28 and 21 hours respectively and an another pipe can empty 30 gallons of water per hour. All the three pipes working together can fill the empty cistern in 84 hours. What is the capacity (in gallons) of the cistern?

Which of the following rivers flows from south to north?

Select the odd word/letters/number/number pair from the given alternatives.

What least number must be added to 4131, so that the sum is completely divisible by 19?

PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is

Which of the following carries oxygen to various parts of human body?

In the following question, select the odd letter from the given alternatives.

A number is greater than 58 times its reciprocal by 3/4. What is the number?