Quantitative Aptitude - Arithmetic Ability Questions

What is the rate of interest (in %) if simple interest earned on a certain sum for the 3rd year is Rs 2,000 and compound interest earned in 2 years is Rs 4,160?

Δ DEF is right angled at E. If m ∠D = 30°. What is the length (in cm) of DE, if EF = 2√3 cm?

If a = √2 + 1 and b = √2 - 1, then the value of 1a+1+1b+1 will be

S, T and U started a business by investing Rs 4200, Rs 6300 and Rs 8400 respectively. S left the business after 3 months, T left 6 months after the business had started and U remained in the business till one year. At the end of one year the total profit is Rs 6000. What is the U’s share (in Rs) in the profit?

A vendor buys bananas at 4 for Rs 3 and sells at 3 for Rs 4. What will be the result?

On selling 25 shirts, a retailer earns profit equal to the cost price of 8 shirts. What is the profit percentage?

If a2+b2c2 = b2+c2a2 = c2+a2b2 = 1k k≠0 then k =

If a – b = 11 and ab = 24, then value of a2 + b2 is