Quantitative Aptitude - Arithmetic Ability Questions

The population of a town is 200000. It increases annually at the rate of 10%. What will be the population after 2 years?

P(3,1) and R(-7,5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?

Raj purchased two laptops, first for Rs 42500 and the second for Rs 36200. He sold first laptop at a profit of 12% and the second laptop at a loss of 12%.What is the overall profit or loss?

Ajay can do a painting in 12 days. Amit is 70% more efficient than Ajay. What is the number of days Amit would need to finish the same painting?

The amount of simple interest accrued on an amount of Rs 28,500 in seven years is Rs 23,940 What is the rate of interest p.c.p.a ?

The third proportional of two numbers 9 and 24 is

If 1 saree is offered free on purchase of 3 sarees, what is the effective discount on each saree?

P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.