Quantitative Aptitude - Arithmetic Ability Questions

The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 49π sq cm?

A chord of length 60 cm is at a distance of 16 cm from the centre of a circle. What is the radius (in cm) of the circle?

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

Find 2 consecutive natural numbers, sum of whose squares is 25.

If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P3 + Q3 + R3 – 3PQR?

Find the unit place digit in 192102 + 193103

tan(A/2) is equal to

Compute : 4082 / 157 - 23