Quantitative Aptitude - Arithmetic Ability Questions

If cos -225° = x, then the value of x is

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

If the length of one side and the diagonal of a rectangle are 5 cm and 13 cm respectively, then find its perimeter (in cm).

What percentage of 1 day is 18 minutes?

Δ ABC is right angled at B. If m∠A = 30°. What is the length (in cm) of AB, if AC = 8 cm?

The radius and height of a solid cylinder are increased by 2% each. What will be the approximate percentage increase in volume?

In a fraction when 3 is added to its numerator and denominator it becomes 4/5. And it becomes 1/2 when 2 is subtracted from both the numerator and denominator. Find the fraction.

If 7 spiders make 7 webs in 7 days , then 1 spider will make 1 web in how many days ?