The average of x and y is 40 and that of y and z is 35. What is the value of x-z?
Created: 6 months ago | Updated: 1 week ago
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If the arithmetic mean of seventy five numbers is calculated, it is 35. If each number is increased by 5, then mean of new numbers is:

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A sum of money amounts to Tk. 6690 after 3 years and to TK. 10035 after 6 years on compound interest . Find the sum.

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Once card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack,Queen and King only)?

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If two times of the daughter's age in years is included to the mother's age, the total is 70 and if two times of the mother's age is included to the daughter's age the total is 95. So the Mother's age is -

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