Question
7 7 28 252
? What should come in place of the question mark (?) in the following number series?Solution
× 12 , × 22 , × 32, × 42, .......
If average of first 10 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 20 numbers is ‘n’...
A student's average score across five subjects is 72. If the scores in four subjects are 68, 75, 70, and 80, what is the average of the top three highes...
The average weight of a family of 5 members is 60 kg. If the youngest member dies, the average weight of the family decreases by 2 kg. Find the weight o...
- The average of series 'S4', which consists of 6 consecutive even numbers, is 21. The second term of series 'T4', which consists of 5 consecutive odd number...
A batsman had an average of 82 runs per match in the first 25 matches. In his next 15 matches, he scored runs with an average of ‘x’ runs per match ...
Anil bought 27 notebooks for Rs.1280 from shop A and 20 notebooks for Rs.1211 from shop B. What is the average price he paid per book?
Average of four consecutive prime numbers R1, R2, R3, and R4 is (14 + x). If the average of R1 and R2 is (11 + x) and the average of R3 and R4 is (11 + ...
- If the average of 19, 34, 67, 45, 28, and 'x' is 43, determine the value of 'x²'.
The average of 12 numbers is 25. If one number is removed, the average of the remaining 11 numbers becomes 24. Find the removed number.
The average cost price of 25 pens (having equal cost price) decreased by Rs.4, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
Relevant for Exams:
