Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 299996 x 300004?

If √20 + √125 = 15.65, then what is the value of √45 + √5?

How many numbers divisible by 125 can be written by using all the digits 2,3,8,7,5 exactly once?

Select the odd word/letters/number/number pair from the given alternatives.

If A : B = 3 : 5, then what is the value of A + B : B?

If 3cos2x - 2sin2x = -0.75 and 0°⩽ x ⩽ 90°, then x = ?

Simplify 11.9983 = ?

A sum of Rs 20000 becomes Rs 32000 in 12 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?