40 men took a dip in a pool 30 m long and 25 m broad. If the average water displaced by a man is 5 cub.m, then what will be the rise (in cm) in level of the pool?
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The sum of the ages of Ram and Shyam is 49. The difference between the age of Shyam and twice the age of Ram is 8. What is the age (in years) of Ram?
In a trapezium ABCD, AB || CD, AB < CD, CD = 6 cm and distance between the parallel sides is 4 cm. If the area of ABCD is 16 sq.cm, then AB is
Value of (cos 53° - sin 37°) is
In ∆UVW measure of angle V is 900. If cosecU = 13/12, and UV = 2.5 cm, then what is the length (in cm) of side VW?
A train travelling at the speed of 66 kmph crosses a 300 m long platform in 24 seconds. How long was the train?
If Mohan purchase 13 articles for Rs 12 and sells all the articles at the rate of 12 articles for Rs 13, then what will be the profit percentage?
The ratio of the cost price and selling price of a bulb is 15 : 18. What is the profit percentage?