Raveena could get an equal number of Rs 55, Rs 85 and Rs 105 tickets for a movie. She spent Rs 2940 for all the tickets. How many of each did she buy ?
A
12
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B
18
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C
16
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D
Cannot be determined
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E
None of these
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Solution
The correct option is A 12 Let the number of tickets of each value be x ∴55x+85x+105x=2940 ⇒245x=2940 ⇒x=2940245=12