A classroom has equal number of boys and girls. Eight girls left to play Kho-Kho, leaving twice as many boys as girls in the classroom. What was the total number of girls and boys present initially?

  • Option 1)

    22

  • Option 2)

    24

  • Option 3)

    32

  • Option 4)

    None of these

  • Option 5)

    16

Answers (1)

A classroom contains an equal number of boys and girls.
b = g
If 8 girls leave, twice as many boys as girls remain.
b = 2(g-8)

Replace g with b
 b = 2(b-8)
 b = 2b - 16
 16 = 2b - b
 b = 16 boys, then 16 girls originally

 Total number of 32 boys and girls

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