Quantitative Aptitude - Arithmetic Ability Questions

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?

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?

In an isosceles trapezium ______.

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

If the number 247_679 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be

If D and E are points on the sides AB and AC respectively of a triangle ABC such that DE||BC. If AD = x cm, DB = (x – 3) cm, AE = (x + 3) cm and EC= (x – 2) cm, then what is the value (in cm) of x?

If cos 60° - sec 30° = x, then the value of x is