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Some tickets of Rs. 200 and some of Rs. 100 , of a drama in a theatre were sold. The number of tickets Rs. 200 sold was 20 more than the number of tickets of Rs. 100 . The total amount received by the theatre by sale of tickets was Rs. 37000 . The number of Rs. 100 tickets sold is {fill _number}.

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Detailed Solution

Concept-
Let the number of ticket of 100 sold be x
∴ Amount of ticket of

100 = 100 x

The number of tickets of 200 sold be

20 + x

∴ Amount of tickets of

200 = 200 (20 + x)

= 4000 + 200 x

Total amount received =37000

∴ 37000 = 100 x + 4000 + 200 x

= 300 x + 4000

300 x = 33000

x = 110

Hence, the correct answer is 110.

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