In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less tha…

When 0.36 is written in simplest form, the sum of the numerator and the denominator is :

Today it is Thursday.After 132 days,it will be

Jack takes 20 minutes to jog around the race course one time, and 25 minutes to jog around a second time. What is his av…

The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A ?

A mixture contains alcohol and water in the ratio 4 : 3. If 5 liters of water is added to the mixture, the ratio becomes…

In a single throw of two dice , find the probability that neither a doublet nor a total of 8 will appear.

The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area in m2 is