Quantitative Aptitude - Arithmetic Ability Questions

What is the value 32cos 39sin 51-sin239 + sin251

In the following question, select the odd word pair from the given alternatives.

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

What is the simplified value of 0.042+0.212-0.00840.043+0.213

Which of the following is TRUE?

A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π=22/7)

Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is

Sonam's age after eight years will be half of her father's age. Eight years ago the ratio of their ages was 1 : 3. Find the present age of Sonam's father.