Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Sin 30° + Cos 30°?

What is the value of Cot 60 - Sec 30?

Select the odd word from the given alternatives.

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

If a + b = 10 and ab- 13 = -ba - 11, then what is the value of 3ab + 4a2 + 5b2 ?

A certain sum when invested at 5% interest compounded annually for 3 years yields an interest of Rs.2522. Find the Principal?

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

In the following question, select the odd letter/letters from the given alternatives.