Number System Question 108

  1. The sum of a series of 5 consecutive odd numbers is 195 . The second lowest number of this series is 9 less than the second highest number of another series of 5 consecutive even numbers. What is 40 of the second low- est number of the series of consecutive even numbers?

(1) 16.8

(2) 18.8

(3) 19.4

(4) 17.6

(5) 16.4

(IBPS RRBs Officer CWE (Pre.)

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Correct Answer: 28. (1)

Solution:

(1) Five consecutive odd numbers

x,x+2,x+4,x+6 and x+8

x+x+2+x+4+x+6+x +8=195

5x+20=195

5x=19520=175

x=1755=35

Second lowest number

=35+2=37

Second highest even number =37+9=46

Second lowest even number =42

40 of 42=42×40100=16.8



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