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What is the ratio of the average production of Company X in the period 1998-2000 to the average production of Company Y in the same period?

1:1

15:17

23:25

27:29

Answer : Option C

Explanation :

Average production of Company X in the period 1998-2000

= [ $\frac { 1 } { 3 }$ x (25 + 50 + 40)] =[ $\frac { 115 } { 3} ]$ lakh tons

Average production of Company Y in the period 1998-2000

= [ $\frac { 1 } { 3 }$ x (35 + 40 + 50)] = [ $\frac { 125 } { 3} ]$ lakh tons.

Required ratio = $\frac { (115/3) } { (125/3) }$ = $\frac { 115 } { 125}$ = $\frac {23} { 25 }$

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