Quantitative Aptitude - Arithmetic Ability Questions

Find the angular elevation of the sum when the shadow of a 15m long pole is 152meters

The sum of two positive integers is 80 & difference between them is 20. Then what is difference of squares of those numbers ?

If C = 1200 and D = 1500, then D is how much percent more than C?

The sum of a fraction and 4 times its reciprocal is 13/3. What is the fraction?

What is the value of 1/√2 Cot 30° + 1/√3 Cosec 60°?

If ab+ba=1,then the value of a3+b3 is

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

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