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What is the approximate value of the ratio of the circumference of a circle to its diameter.

Find the perimeter of a parallelogram of sides 20 cm and 10 cm.

Find the area of a right-angled triangle whose shorter sides are 3 cm and 4 cm

What is the side included between the angles X and Y of ΔXYZ?

If ∆ ABC = ∆ PQR, then what can be the corresponding side of CA?

Name the Δ ABC , When all angles(∠A = ∠B = ∠C) = 60°?

What is the sum of all the angles in a triangle?

Convert 550% as a fraction.

A glass jar contains 6 red, 5 green, 8 blue and 3 yellow marbles. If a single marble choosen at random from a jar, find the probability of choosing

a) a red marble      b) a green marble

Find the mean:  65, 25, 22, 44, 34