Quantitative Aptitude - Arithmetic Ability Questions

What is the difference (in Rs) between the compound interests on Rs. 1000 for 1 year at 10% per annum compounded yearly and half-yearly?

There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

The base of a prism is in the shape of an equilateral triangle. If the perimeter of the base is 18 cm and the height of the prism is 20 cm, then what is the volume (in cm3) of the prism?

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:­

If a + b = 17 and a - b = 9 then the value of (4a2 + 4b2) is,

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

If 7x + 2 ≥ x - 2 and 7 + 2x ≥ 3 + 3x; then x can take which of the following values?

Find the odd word/letters/number from the given alternatives.