Four numbers A, B, C and D are such that their overall average is 16. The average of A and B is 9.5. The average of C and D is
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A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area (in sq cm) of the circle?
Curved surface area of a cylinder is 440 sq cm. If circumference of its base is 44 cm, what is the volume of the cylinder? (Take π = 22/7)
A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.
Consider the two similar triangles ABC and DEF. Which of the following is correct about the ratio of the area of the triangle ABC and DEF?
What is the value of 2 consecutive natural numbers, sum of whose squares is 145?
The LCM of 48 and 54 is
ΔDEF is right angled at E. If cosecD = 5/4, then what is the value of cosecF?