Quantitative Aptitude - Arithmetic Ability Questions

The number of sides of a regular polygon whose exterior angles are each 72 deg is

The rate of discount on an article whose marked price is Rs. 170 and selling price is Rs. 130?

The total surface area of a cube is 181.5 cm². Find its side (in cm).

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

An arc of 30° in one circle is double an arc in a second circle, the radius of which is three times the radius of the first. Then the angles subtended by the arc of the second circle at its centre is

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?

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively. Find its area (in cm2).