The difference between two numbers is 43 and their product is 1344. What is the sum of the numbers?

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The difference between two numbers is 43 and their product is 1344. What is the sum of the numbers?

A85

B88

C92

DNone of these

Answer:

A. 85

Read Explanation:

x-y=43 xy = 1344 .: (x+y)² = (x-y)² + 4xy = (43)² + 4 x 1344 =1849 + 5376 = 7225 x+y = 85

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A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:

രണ്ടക്കമുള്ള ഏറ്റവും വലിയ സംഖ്യയോട് എത്ര കുട്ടിയാൽ മൂന്നക്കമുള്ള ഏറ്റവും വലിയ സംഖ്യകിട്ടും?

237 ÷ ____ = 23700