Quantitative Ap...

A person left a city P to city Q in the car at 8.00 a.m. He travelled at a speed of 90 km/hr for 3 hours. After that the speed was reduced to 80 km/hr. If the distance between the cities is 510 kms., at what time did he reach city Q?

Find the ages of Anil, Bini, and Chaya in order (in years) as the average age of Anil and Bini is 20 years and if Anil is to be replaced by Chaya, the average would be 19 years and the average age of Chaya and Anil is 21 years.

Two printing machines A and B can print 2400 high-quality pages working 5hrs in 5 days. Machine A can print as many pages in 2.5hrs as machine B can print in 1.5 hrs. How many pages can machine B print in 1 hour?

The least perfect square, which is divisible by each of 21, 36, and 66 is:

In a mixture, there is 63 litres of water and 77 litres of milk. Some quantity of the mixture is taken out. After that 16 litres of water and 4 litres of milk are added in to the mixture, so that quantity of water and milk are the same in the mixture. Find the total quantity of mixture when some amount of mixture taken out.

The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:

Number of students in institutes A and B were in the ratio of 7 : 15 respectively in 2012. In 2013, the number of students in institute A increased by 25% and number of students in institutes B increased by 26%, then what was the respective ratio between number of students in institutes A and B?

In the quadrilateral ABCD, the line segments CE and DE bisecting ∠C and ∠D respectively and meet at E. Then the correct statement is:

If the profit percent got on selling an article is numerically equal to its cost price in rupees and the selling price is Rs. 39, then cost price (in Rs.) will be:

By selling a bicycle for Rs. 2,850, a shopkeeper gains 14%. If the profit is reduced to 8%, then the selling price will be: