Question
The average of 36 values is 92. What will be the average if
every value is multiplied by 9?Solution
ATQ,
New average = 92 × 9 = 828
The average score of 20 students in a test is 65. Later it is found that the score of one student was wrongly taken as 54 instead of 84. What will be th...
The average weight of a group of 5 men increases by 2 kg when a new person weighing 78 kg joins the group. What was the average weight of the group befo...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 84.8 and 13th, 14th...
Out of three numbers the average of the first and the second number is 37 more than the average of the second and the third number. What is the differen...
- The average of series 'S7', which consists of 6 consecutive even numbers, is 31. The second term of series 'T7', which consists of 5 consecutive odd number...
The average of 18 numbers is 36. If 4 is added to each number, then the new average will be:
The average mark obtained by 160 candidates in a certain examination is 60. If the average marks of passed candidates are 65 and that of the failed cand...
A group of 20 players has an average score of 55 runs. If x new players join with an average score of 70 runs, the new ...
The average weight of 6 people is 80 kg. When two new people with their weights in the ratio 2:3 joined the group, the average weight of all the people ...
A number is such that when it is multiplied by 9, it gives another number which is as much above from 420 as the original number (itself) is below 420. ...