Question

If 11 pair of socks cost Rs. 1331, what is the cost of 20 socks?

Answer 1

Answer:

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Answer 2

Answer:

Rs. 1210

Step-by-step explanation:

According to the Question:

11 pair of socks cost Rs. 1331

► To find the cost of 1 pair of socks

11 pairs of socks cost: Rs. 1331

So, 1 pair of socks will cost:

$\frac{Total\ cost}{No.\ of\ pairs}$

:⇒  $\frac{1331}{11}$

∴ 1 pair of socks cost Rs. 121

► To find the cost of 20 socks

• 20 socks = 10 pairs of socks

• Since, 1 pair of socks costs Rs. 121, so, 10 pairs of socks will cost:

:⇒  121 × 10 = 1210

∴ 10 pairs of socks or 20 socks will cost Rs. 110