The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y?

Created: 4 months ago | Updated: 3 months ago
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A dishonest milkman professes to sell his milk at cost price but he mixes it with water and there by gains 25% . The percentage of water in the mixture is:

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If 32% of 650 is equal to 2/3 of x, what is the value of x ?

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Mita has two brothers - one of the brothers is 4 years younger than her and the other brothers is 5 years older than this brother. If the average age of the siblings is 5, what is the age of Mita ?

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If x2+ 4x + 13 = 1 + x2, then find out the value of x2?

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