Question
The average of n numbers is 65. If each of 54% of the
numbers is increased by 15 and each of the remaining numbers is decreased by 10, then the new average of the numbers will beSolution
Avg. = 65 + ((54 x 15 - 46 x 10)/100) = 65 + 3.5 = 68.5
More Average Questions
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If (a + b) = 7 and ab = 9, then find the value of (a2 + b2).
- If x 4 + 1/x 4 = 194, x > 0, then find the value of x + 1/x + 2.
Find ‘x’ if (x³+3x)/(3x²+1) = 189/61
Which of the following options gives the value of 2999² – 999²?
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