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The correct answer is D
The average of the two numbers is 15, and the square root of their product is 12. What is the difference between the two numbers?
Average of four numbers is 24. Sum of smallest and largest number is 53. If difference between other two numbers is 1, then find the square of second sm...
In an examination, the average marks obtained by the students is 85. After correcting the quantitative mistakes, the average of 100 students is reduced ...
The average price of two books, namely 'X' and 'Y' is Rs. 850 whereas the average price of books 'Y' and 'Z' is Rs. 910. If the average price of book 'X...
The average age of the husband, wife, and their child 3 years ago was 24 years and that of the Wife and the child 4 years ago was 19 years. The present ...
A bowler gives 16.2 runs per wicket. He gives 32 runs and takes 8 wickets in a last match after which his average becomes 15.4 runs per wicket. How many...
Determine the average of all prime numbers that lie between 35 and 70.
The average of five consecutive even numbers is 56, and the average of four consecutive odd numbers is 'n'. The ratio of the high...
If the average marks of the three batches 32, 45 and 54 student respectively is 50, 42 and 35, then find the approximate average mark of all the students?
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the ...