Question
Select the option in which the numbers are related in
the same way as are the numbers in the given set. (6, 19, 79)Solution
(6, 19, 79) → (6 + 19) x 3 + 4 = 49 → 25 x 3 + 4 = 79 (10, 25, 109) → (10 + 25) x 3 + 4 = 49 → 35 x 3 + 4 = 109
Average of 8 numbers is 50. If average of first four and last two numbers is 60 and 70, respectively then find the fifth number given that ratio of fift...
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The average of 19 numbers is 15.The average of first 9 numbers are12 and that of the last 9 numbers are15. What will be the 19th number?
The average of two numbers is 6 more than the smaller number among them. If the greater number is 100% more than the smaller number, then find the sum o...
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 a group of 80 students is 14 years. If 3 students whose ages are 16 years, 22 years, and _____ years are replaced by 3 new students w...
Average age of company A is 23 years and average age of both companies A and B is 15 years. If the ratio of number of employees in company A and B is 3:...
In a Math exam, the average score of 50 students is 68. The ratio of boys to girls in the class is 3:2. If the average score of the boys is 70, what is ...
