Quantitative Aptitude - Arithmetic Ability Questions

Find the HCF & LCM of 16, 24.

If the measure of the interior angle of a regular polygon is 1800, then how many sides does it have?

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 4:3 and length of QR is 4.9 cm, find ST?

If the cost price of 20 books is the same as selling price of 25 books, then the loss percentage is

What is the effective discount (in %) on two successive discounts of 20% and 10%?

For the figure given below, find the value (in degrees) of 2∠A + ∠B.

ΔABC is similar to ΔDEF. Length of AB is 12 cm and length of the corresponding side DE is 8 cm. What is the ratio of Perimeter of ΔABC : Perimeter of ΔDEF?

John is 15 years younger than Jill, 12 years ago, Jill's age was 1.5 times that of John. Jill is now ___ years old.