Quantitative Aptitude - Arithmetic Ability Questions

An article was sold for Rs. 2100 at a profit of 25%. What is its cost price?

Which of the following is in ascending order?

PQR is a right angled triangle in which ∠R = 90°. If RS ⊥ PQ, PR = 3 cm and RQ = 4 cm, then what is the value of RS (in cm)?

Which one of the following combination of measurements can form the sides of a triangle?

In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180°, then ∡A is equal to

Find the total surface area (in cm2) of a right circular cone of diameter 21 cm and slant height 11 cm.

T is a point on the common tangents at P of two circles and if TA and TB are resectively the other tangents at A and B to the two circles drawn from the point T then

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)