Question
A number is such that when it is multiplied by 5, it
gives another number which is as much above from 210 as the original number (itself) is below 210. The average of the original number and the resultant number is:Solution
Let the number be x. According to question, => 210 – x = 5x – 210 => x = 70 So, 5x = 350 Therefore the average of = (70 + 350)/2 = 210
More Average Questions
What will be the value of expression if the signs ‘(+)’ and ‘(×)’ are interchanged?
63 + 7 ÷ 21 × 14 – 24 ÷ 6
...If all the alphabets of alphabetical series are numbered as 26-1 from A-Z then what is the sum of the numbers of letters of the word “ PARENT ”?
Which two signs should be interchanged in the following equation to make it correct:
640 ÷ 80 + 6 × 20 – 10 = 58
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