Quantitative Ap...

5 men can complete a job in 15 days. If a child works at 1/5th the rate of a man, in how many days 25 children complete the job?

In a race of length L meters, Ajay beats Sahil by ‘a’ meters and Sahil betas Manish by ‘b’ meters. Ajay beats Manish by__________(in meters).

The radius of a circle is 13 cm. Find the length of a chord which is 5cm from the center of the circle.(in cms)

Find the number of ways of arranging all the letters of the word HOSPITAL, so that all the vowels appear on the even places.

A bag contains 4 red balls, 3 green balls and 5 white balls. If two balls are drawn from the bag, then the probability that they both are red balls is______.

At how many points do the curves y = 2x + 1 and x²- 2 = y intersect?

The solution set of the inequation 3x + 13 < 31

(471)₈ X (16)₈ =

What is the area of the circle whose largest chord is 8 units.

A ship 77 km away from the shore springs a leak which admits 2 1/4 tonnes of water in 5 1/2 minutes. 92 tonnes of water would sink her. But, the pumps can throw out 12 tonnes per hour. Find the average rate of sailing so that she may just reach the shore as she begins to sink.