Quantitative Aptitude - Arithmetic Ability Questions

If the amount received at 10% per annum Compound interest after 3 yrs is Rs 19965, then what will have been the principal (in Rs) amount?

If √(1 + cot2A) = x, then the value of x is

What is the value of tan 7π/4?

α and β are the roots of quadratic equation. If α + β = 8 and α – β = 2√5, then which of the following equation will have roots α4 and β4?

If 4x -7 < x - 2 and 5x +2/3 ≥ 3x + 1; then x can take which of the following values?

All rational numbers are ____ numbers.

What least number must be subtracted from 3401, so that the sum is completely divisible by 11?

Raghavendra sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 52 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.