George is fifth from the left and Peter is twelth from the right end in a row of children If peter shifts by three places towards George he becomes tenth from the left end How many children are there in the row?
A
21
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B
22
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C
23
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D
24
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E
None of these
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Solution
The correct option is D 24 When peter shifts toward George he shift 3 place to the left So peter becomes 15th from right end and he is 10th from left ∴∴ No of children = ( 15 + 10 - 1 ) = 24.