For the following questions answer them individually
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1904 * 1904 =?
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The ratio of the ages of a man and his wife is 4 : 3. After 4 years, th is ratio will be 9 : 7. If at the time of their marriage, the ratio of their ages was 5 : 3, then how many years ago were they married?
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Visitors to a snow were charged Rs. 15 each on the first day, Rs 7.50 on the second day and Rs. 2.50 each on the third day. The attendance on the three days was in the ratio 2 : 5 : 13. The average charge per person for the whole show was
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A and B rent a pasture for 10 months; A puts in 80 cows or 7 months. How many cows can B put for the remaining 3 months, if he pays half as much again as A?
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Which of the following numbers is a multiple of 8?
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The square root of $$(2722 - 128^{2})$$ is
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The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly copied. The first is 18 greater than the actual number and the second number added is 13 instead of 31. Find the correct average.
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A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is :
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The owner of a boutique decides to calculate the percentage of customers who purchase hats. If 40 percent of the store's customers decide to purchase items, and of those customers 15 percent purchase hats, what percent of the store's customers purchase hats ?
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A man sells an article at a gain of 15%. If he had bought it at 10% less and sold it for Rs 4 less, he would have gained 2.5%. Find the cost price of the article