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Q. The average of 50 numbers is 38. If two numbers, namely 45 and 55 are discarded, what is the average of the remaining numbers?
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Q. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?
Q. The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:
Q. Mohan spends 23% of an amount of money on an insurance policy, 33% on food, 19% on children’s ...
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