Question
Direction: Which of the following will replace ‘?’
in the given question? 10, 12, ‘?’, 27, 36, 45, 54, 63, 72Solution
20 students go for a picnic. 10 of them spent Rs. 64 each on their food and rest spent Rs.4 more than the average expenditure of all 20. What was the to...
The average of 30 numbers was initially calculated as 45. However, it was later found that one of the numbers had been incorrectly recorded as 83 instea...
Suresh received 100, 92, 85, 97, 90 and 88 marks in his semester exams. What is his average score?
Average run scored by a batsman in first ‘x’ matches is 88. In next 10 matches he scored runs with an average of 100 so that his over...
Average of four numbers is 16. Sum of smallest and largest number is 45. If difference between other two numbers is 1, then find the square of second sm...
The average cost price of 14 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.80. ...
Average age of 16 students is 18 years. If 4 students leave the class, then the average age decreases by 1.5 years. Find the average age of the students...
The average cost of items bought by a shopkeeper is ₹150. He purchases another item for ₹270, and the average increases by ₹10. Find the total cos...
Average weight of all the people in a group is 58 kg. When two people of weight 65 kg and 81 kg left the group, average weight reduces by 1.2 kg. Find t...
Deepak spends an average of Rs. 520 on Sundays and Rs. 340 on the remaining days. Find his average spending in a 30-day month starting with Sunday.
