The average age of a class of 20 girls is 14 years. If 5 new girls having average age of 9 years join the class, then the average age of the class becomes:
Total age of 20 girls = 20×14 = 280 years Total age of 25 girls = 280 + (5×9) = 325 years Therefore new average age = 325/25 = 13 years
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How much time car R will take to cover the distance between destinations I to destination VIII?
By what percent is the distance between the destination II and V is less than that between the destination IV and VII?
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Find the profit % of Shirt if the % discount of Shirt is equal to % discount of Jacket and the C.P of Shirt is 1.5 times the C.P of Pullover?
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Find the discount % and profit % of Pullover
