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The correct answer is D
A number is such that when it is multiplied by 6, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
What is the average of the squares of the first 35 natural numbers?
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Average of four numbers is 20. Sum of smallest and largest number is 50. If difference between other two numbers is 2, then find the square of second sm...
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