Quantitative Aptitude - Arithmetic Ability Questions

The sum of all prime numbers between 58 and 68 is

PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ΔMQN is 48 cm2 , then what is the length (in cm) of PR ?

What is the ratio of simple interest earned on certain amount at the rate of 12% p.a. for 9 years and that for 12 years?

At 10% discount the selling price of a toaster is Rs 18000, what is the selling price if the discount is 37.5%?

If a regular polygon has 6 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

Find the curved surface area (in cm²) of a hemisphere of diameter 28 cm

Two numbers are in the ratio 2:5 and their HCF is 18. Their LCM is

Calculate the value of 0.77777 + 0.7777 + 0.777 + 0.77 + 0.7 + 0.07.