On a certain Principal if the Simple interest for two years is Rs 4800 and Compound interest for the two years is Rs 5088, what is the rate of Interest?

Rehman walks at 8 km/hr and Roma cycles at 13 km/hr towards each other. What was the distance between them when they started if they meet after 36 minutes?

On dividing 256a2b2c2 by 64a2, we get

A can do a work in 15 days and B in 9 days. If they work on it together for 5 days, then what fraction of work is left?

The value of x for which the expressions 7x + 13 and 13x - 7 become equal is _____

A factory buys 7 machines. 2 Machine A, 2 Machine B and rest Machine C. Prices of the machines are Rs 95000, Rs 75000 and Rs 43000 respectively. Calculate the average cost of these machines?

Which of the following numbers is not a prime number?

If 7A = 5B = 2C; find A : B : C.