I forgot the last digit of a 7 digit telephone number. If one randomly dial the final three digits after correctly diall…

The range of the function f(x)= x2 - 4x + 9 is:

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…

Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kg of fresh…

P and Q take part in 100 m race. P runs at 6kmph. P gives Q a start of 8 m and still beats him by 8 seconds. The speed o…

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

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. The sum of t…

How many days are there in x weeks x days ?