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If four numbers in A.P. are such that...

If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are (a) 5, 10, 15, 20 (b) 4, 10, 16, 22 (c) 3, 7, 11, 15 (d) none of these

A

3,7,11,15

B

4,10,16,22

C

5,10,15,20

D

6,12,18,24

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