Quantitative Aptitude - Arithmetic Ability Questions

Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is

Find the mean of the first 6 prime numbers?

If X and Y are the two digits of the number 347XY such that the number is completely divisible by 80, then what is the value of X + Y?

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

In a rhombus _____.

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

Puneet lent out Rs 30000 in two parts, one at 5% and the other at 9% interest. The yearly average interest comes out to be 6%. What are the amounts (inRs) that are lent at 5% and 9% respectively?