Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 10000 becomes Rs 14641 when invested at compound interest at the yearly interest rate of 20% per annum. If the compounding is done half yearly, then for how many years was the sum invested?

Find the odd word/letter/number pair from the given alternatives

Two whole numbers are such that the square of first number exceeds the second by 112 and the ratio of the numbers is 4:3. What is thevalue of smaller number?

What is the value of the expression a3 - 5 + 2816a, when a = 2?

What should be the missing digit so that the number 275_476 becomes exactly divisible by 11?

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

By increasing the price of entry ticket to a fair in the ratio 17:19, the number of visitors to the fair has decreased in the ratio 11:10. In what ratio has the total collection increased or decreased?

∆ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).