Quantitative Aptitude - Arithmetic Ability Questions

Find the curved surface area (in cm2) of a right circular cylinder of diameter 28 cm and height 12 cm.

tan3A is equal to

Select the odd word/letters/number/number pair from the given alternatives.

Let ΔABC and ΔABD be on the same base AB and between the same parallels AB and CD. Then the relation between areas of triangles ABC and ABD will be

What is the value of cos (90 – B) sin (C – A) + sin (90 + A) cos (B + C) – sin (90 – C) cos (A + B)?

Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

The radii of two concentric circles are 68 cm and 22 cm. The area of the closed figure bounded by the boundaries of the circles is

Select the odd letters from the given alternatives.