Quantitative Aptitude - Arithmetic Ability Questions

Two circles are drawn with the same centre. The circumference of the smaller circle is 44 cm and that of the bigger circle is double the smaller one. What is the area between these two circles?A. 154 square cmB. 308 square cmC. 462 square cmD. 616 square cm

The radius of a hemisphere is 21 cm, what is its volume? (Take π = 22/7)

Length of the sides of a triangle are a, b, c respectively. If a2 + b2 + c2 = ab +bc + ca then the triangle is

Which among the following is true for the given numbers?

What is the value of sec 5π/4?

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

In ΔPQR measure of angle Q is 90°. If tanP = 4/3, and PQ = 1.5cm, then what is the length (in cm) of side PR?

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