Mathematics MCQs
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451.The curved surface of a sphere is 64 π cm2. Find its radius?
452.The diagonals of a rhombus are 15 cm and 20 cm. Find its area?
453.The difference between a number and its two-fifth is 510. What is 10% of that
454.The difference between C.I. and S.I. on an amount of Rs. 15,000 for 2 years is Rs. 96.
455.The difference between simple and compound interest on Rs. 1200 for one year at 10% per annum reckoned half-
456.The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly
457.The edge of a cube is 2a cm. Find its surface?
458.The edge of three cubes of metal is 3 dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge
459.The edges of a cuboid are 4 cm, 5 cm and 6 cm. Find the volume of the cuboid?
460.The edges of a cuboid are respectively 3cm, 4cm and 12 cm. Find the length of the diagonal of cuboid.