Quantitative Aptitude - Arithmetic Ability Questions

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A ≤ 90°

If 3cos2x - 2sin2x = -0.75 and 0°⩽ x ⩽ 90°, then x = ?

Which of the following ratio is greatest?

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

What is the value of Cot 45° + Cosec 60°?

Simplify 11.9983 = ?

Select the odd number from the given alternatives.

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48° . The average temperature for Tuesday, Wednesday, Thursday and Friday was 52°, If the temperature on Monday was 42°, then the temperature on Friday was (in degrees)