A runs 25% faster than B and is able to allow B a lead of 7 meters to end a race in dead heat. What is the length of the…

How many days are there in x weeks x days ?

Functions f and g are defined by:f(x) = 1/x + 3x and g(x) = -1/x + 6x - 4The domain  of (f+g)(x) is:

What would be the person's age after 180 months if his current age is 28 years?

A train 150 m long is running with a speed of 68 kmph. In what time will it pass a man who is running at 8 kmph in the s…

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…

How many days are there in a leap year?

2, 12, 36, 80, 150,..