Quantitative Aptitude - Arithmetic Ability Questions

ΔPQR is right angled at Q. If secP = 13/5, then what is the value of sinR ?

If cos -300° = x, then the value of x is

What is the simplified value of (sec4 A – tan2 A) – (tan4 A + sec2 A)?

Find the number that is as much greater than 39 as is less than 79.

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?

Which of the set of three sides can't form a triangle?

By dividing 14528 by a certain number, Suresh gets 83 as quotient and 3 as remainder. What is the divisor?