The average of 3 numbers is 20. If the numbers are in the ratio 1:2:3, find the largest. MCQ with Answer and Explanation

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The average of 3 numbers is 20. If the numbers are in the ratio 1:2:3, find the largest.

A. 25

B. 30

C. 35

D. 20

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum=3×20=60. Ratio sum=6. Largest = (3/6)×60=30.

This question belongs to: Maths Average

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Question #1

Average of 15 numbers 210. If average of 9 is 205, average of remaining 6?

A. 217.5

B. 218

C. 220

D. 215

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Correct Answer: Option A

Explanation:
Sum15=3150. Sum9=1845. Remaining=1305. Average=217.5.

This question belongs to: Maths Average

Question #2

The average of 1470,1960,2450 is

A. 1955

B. 1950

C. 1970

D. 1960

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Correct Answer: Option D

Explanation:
5880/3=1960.

This question belongs to: Maths Average

Question #3

The average of 1 to 30 is

A. 16

B. 15.5

C. 14.5

D. 15

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Correct Answer: Option B

Explanation:
(30+1)/2=15.5.

This question belongs to: Maths Average

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