Question
Akshay bought 25 notebooks for Rs.1260 from shop A and
13 notebooks for Rs.1210 from shop B. What is the average price he paid per book?Solution
Total money paid for 38 notebooks = Rs. (1260 + 1210) = Rs. 2470  ∴ Average price paid per notebook = Rs. (2470/38) = Rs.65
If the length and breadth of a rectangle are in the ratio 5:3 and its perimeter is 48 cm, then the area of the rectangle (in cm²) is :  Â
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When both length and breadth of a rectangle are increased by 3 m, the area rises by 189 m². The ratio of perimeters (square : rectangle) is 5:6. Find t...
If √Ì…1Ì…2Ì…-Ì…2Ì…√Ì…3Ì…5Ì… + √Ì…8Ì…+Ì…2Ì…√Ì…1Ì…5Ì… = √a + √b, where a and b are positive integers, then the value o...
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The ratio of the diagonals of a rhombus is 5:6, and the difference between their lengths is 7 cm. Find the area of the rhombus.
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