In a box there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?
Total number of balls = 21 Probability of a ball is neither red nor green = 7C1 / 21C1 = 1/3
If y = 5x + c passes through point A(5, 2), what is the value of c?
... In triangle ABC, angle A is 90 
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Find out the circumference of a sector whose radius is 7 cm and it makes the angle of 45° at the centre?
Given are three points A(2, 7), B(4, -1), C(- 2, 6) on a plane. What kind of triangle is formed by joining the points A, B, and C? <...
Triangle ABC and triangle ACD are right angled triangle and AB = x cm. BC = y cm, CD = z cm and x times; y = z and x, y and z has minimum integra...
The lengths of three medians in a triangles are 21 cm, 28 cm, 35 cm. What is the area of that traingle (in cm 2 )?
The 2nd approximation to a root of the equation x2-x-1-0 in the interval (1, 2) by Bisection method will be:
A solid cylinder has radius of base 14 cm and height 15 cm. 4 identical cylinders are cut from each base as shown in the given figure. Height of small c...
PQRS is a cyclic quadrilateral of which PQ is the diameter. Diagonals PR and QS intersect at A. If SQR = 25°, then angle PAS measures
