Mathematics

Q141

The number of times in a day the hour hand and minute hand of a clock are at right angles is:

Q142

In a hotel mess there is enough food provisions for 1200 boarders for a month. After 15 days half of them leave due to vacations. How long will the food provisions last?

Q143

If 25 man can eat 150 kg of wheat in 30 days then 45 men can eat 450 kg of wheat in how many days?

Q146

A box has 6 black, 4 red, 2 white and 3 blue shirts are picked randomly, what is the probability that either both are white or both are blue?

Q147

What is the volume of a right circular cylinder in cm whose radius is 2 cm and height is 14 cm?

Q148

A train traveled a distance of 6,000 km from Lahore to Karachi in 22 hours, and during travel from Karachi to Lahore the train got later due to engine failure and reached Lahore in 28 hours. What is the average speed of train?

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