Quantitative Aptitude - Arithmetic Ability Questions

The mean of the data 1, 2, 10, 18, 3, 17, 19 is

If in 2 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs 7000 in 3 years at the same rate?

If 5/2 - (6/5)(x - 15/2) = -x/5, then what is the value of x?

When a number is increased by 34, it becomes 117% of itself. What is the number?

If 90% of A = 30% of B and B = x% of A, find x.

Reflection of the point (-3,6) in the x-axis is

A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?

The rate of simple interest for which a sum of money becomes 5 times in 8 years is