The mean of 14 numbers is 6. What will be the new mean if 3 is added to every number?
Answer: 9
Explanation
If a constant is added to each value, the mean increases by that constant.
New mean = 6 + 3 = 9.
This question appeared in
Past Papers (5 times)
ASF Inspector Past Papers (2 times)
FPSC 5 Years Past Papers Subject Wise (Solved With Details) (2 times)
FPSC Past Papers (1 times)
This question appeared in
Subjects (1 times)
MATHS MCQS (1 times)
Related MCQs
- Average of five number is 4. If the number 2 is added to all five numbers, what will be the average?
- The ratio of two number a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b?
- Out of three given numbers, the first number is twice the second and thrice the third. If the average of the three numbers is 154, what is the difference between the first and the third number?
- There is a certain pair of numbers such that the sun of twice the first number and thrice the second number is 61. However, when we subtract five times the second number from four times the first number, the answer is 45. Find the second number?
- How many numbers were added 100 are divided by 7?
- 60% of a number is added to 120, the result is the same number. Find the number?
- 40% of a number is added to 42, the result is the same number. The required number is?
- 20% of a number is added to 120, the result is the same number. The required number is?
- 85% of a number is added to 24, the result is the same number. Find the number?
- When 7 is added to a X number, the resulting number is 77. The product of 7 and number X is?