Question

12 rubber balls cost ₹ 15 ; how much I can buy for ₹ 120 ?
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Answer 1

ans is 96 balls

120÷1.25=96

1.25 is cost of one pen

Answer 2

${\huge{\rm{{\underline{Solution}}}}}$

$\rm12 \: rubber \: balls \: cost = Rs 15$

$\rm=> For \: Rs \: 15 = 12 balls$

$\rm=> \: For \: Rs \: 20 = 20 \times \frac{12}{15}$

$\rm = > 4 \times 4$

$\rm \ For \: Rs \: 20 = 16 \: balls$