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The weight of 20 laddoos is 1 kg. If 8 laddoos can be packed in one box, then how many boxes are required to pack 50 kg laddoos ?

  • A.150
  • B.100
  • C.120
  • D.125

Answer: D

125 boxes are required.

Since 20 laddoos weigh 1 kg, 50 kg contains

\[ \begin{aligned} 50 \times 20 &= 1000\ \text{laddoos} \\ 1000 \div 8 &= 125\ \text{boxes} \end{aligned} \]

The division is exact, so no part-filled box is left over. 100 boxes would hold only 800 laddoos and 120 boxes 960; 150 boxes would hold 1,200, more than there are.

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