Bhuvan has some hens and some cows. If the total number of animal-heads are 71 and the total number of feet are 228, how many hens does Bhuvan have?

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Bhuvan has some hens and some cows. If the total number of animal-heads are 71 and the total number of feet are 228, how many hens does Bhuvan have?

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The difference between a two-digit number and the number obtained by interchanging the two digits of the number is .18. The sum of the two digits of the number is 12. What is the product of the two digits of the two digits number 7?

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There are 15 dozen candles in a box. If there are 39 such boxes. How many candles are there in all the boxes together ?

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The cost of 16 kgs of sugar is Rs 448. The cost of rice is Rs 756 and the cost of 14 kgs of wheat is Rs 546. What is the total cost of 23 kgs of sugar, 26 kgs of rice and 21 kgs of wheat ?

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The product of two consecutive odd numbers is 19043.Which is the smaller number ?

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What is the least number to be added to 3986 to make it a perfect square ?

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If an amount of Rs 50176 is distributed equally amongst 32 persons. How much amount would each person get ?

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The difference between the ages of a boss and his subordinate is 16 years. Four years ago, the respective ratio of the ages of the boss and the subordinate was 11:7 then, what is the present age of the subordinate ?

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What is the least number to be added to 7000 to make it a perfect square?

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The product of two consecutive even numbers is 20448. What is the square root of the greater number?