Quantitative Aptitude - Arithmetic Ability Questions

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?

If tan2A + cot2A + 2 = x, then the value of x is

The measures of the three angles of a triangle are in the ratio 1:2:3. What is the measure of the biggest angle?

The compound interest on Rs. 1000 at 10% per annum for 3 years in (Rs.) is

Select the odd letters from the given alternatives.

Identify the odd one out from the following:

ΔABC is right angled at B. If m∠C = 60°, then find the value of (cotA - 1/2).

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the difference between perimeter of triangle ABC and perimeter of triangle ADC?