Home
Class 14
MATHS
The average of 45 numbers is 150. Later ...

The average of 45 numbers is 150. Later it is found that a number 46 is wrongly written as 91, then find the correct average.

A

Only conclusion I follows

B

Both conclusions I and II follow

C

Only conclusion II follows

D

Either conclusion I or II follow

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly copied. The first is 18 greater than the actual number and the second number added is 13 instead of 31. Find the correct average. A)40.2 B)40.4 C)40.6 D)40.8

The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added.The first is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average.(a) 40.2 (b) 40.4 (c) 40.6 (d) 40.8

Average marks of 100 students of a class is 58. Later it was found that 86 was mistakenly written as 68. Find the actual average.

The average of 25 observations is 13. It was later found that an observation 73 was wrongly entered as 48. The new average is

Average marks of maths of 5 students is 50. Later it was found that 48 was mistakenly reworded as 84. Find the actual average

The average of the seven numbers is 45. We replace two numbers 65 and 54 with 56 and 35. Then find the new average.

The average of 12 numbers is 15. If each number is increased by 1, find the new average.