Average of 1005,1340,1675 is MCQ with Answer and Explanation

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Average of 1005,1340,1675 is

A. 1335

B. 1330

C. 1340

D. 1350

Answer: Option C

Solution (By JKSSB Mock Tests)

4020/3=1340.

This question belongs to: Maths Average

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Question #1

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The average marks of 25 students is 72. If a student with 60 marks leaves, what is the new average?

A. 72.5

B. 72

C. 73

D. 71.5

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Correct Answer: Option A

Explanation:
Sum=25×72=1800. New sum=1800-60=1740. New avg=1740/24=72.5.

This question belongs to: Maths Average

Question #2

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The average of 7 consecutive odd numbers is 15. What is the largest number?

A. 19

B. 23

C. 17

D. 21

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Correct Answer: Option D

Explanation:
In consecutive odd numbers, average = middle term. So 4th number =15, largest =15+6=21.

This question belongs to: Maths Average

Question #3

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Average of 9 numbers 240. If average of 6 is 235, average of remaining 3?

A. 245

B. 250

C. 248

D. 255

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Correct Answer: Option B

Explanation:
Sum9=2160. Sum6=1410. Remaining=750. Average=250.

This question belongs to: Maths Average

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