The average of 18 observations is recorded as 124. Later it was found that two observations with values 64 and 28 were entered wrongly as 46 and 82. Find the correct average of the 18 observations.

Vaibhav Shukla • 4.53K Points
Extraordinary Math

Q. The average of 18 observations is recorded as 124. Later it was found that two observations with values 64 and 28 were entered wrongly as 46 and 82. Find the correct average of the 18 observations.

(A) 111(7/9)

(B) 122

(D) 137(3/9)

Correct Answer - Option(B)

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Previous MCQ Next MCQ

Discusssion

Related MCQs on Math

Q. The ages of Surabhi and Neerja are in the ratio of 6 : 7 respectively. After 6 years the ratio of th...

Q. What is the length of the uniform wire of diameter 0.4 CM that can be drawn from a solid sphere of r...

Q. In a class, the number of boys is more than the numbers of girls by 12% of the total strength. The r...

Q. Ten years ago, a man was seven times as old as his son. Two years hence, twice his age will be equal...

Q. The LCM of three different numbers is 120. Which of the following cannot be their HCF?

Q. The driver of an ambulance sees a school bus 40 m ahead of him after 20 seconds, the school bus is 6...

Q. Prakash, Sunil and Anil started a business jointly investing Rs.11 lakh, Rs. 16.5 lakh and Rs. 8.25 ...

Q. If a person sells a commodity at 20% profit, if he buys it at 20% loss and sells it for 20 rupees mo...

Q. The capacity of two pots are 240L and 112L, respectively. Find the capacity of a container which can...

Q. At what rate percent per annum will the simple interest on a sum of money be 2/5 of the principal am...

Learn All Math MCQs

Download our easy to use, user friendly Android App from Play Store. And learn MCQs with one click.