Answer :

Ratio of chromium and steel in first type stainless steel = 2:11

Ratio of chromium in first type stainless steel

Ratio of steel in first type stainless steel

Ratio of chromium and steel in second type stainless steel = 5:21

Ratio of chromium in second type stainless steel

Ratio of steel in second type stainless steel

Suppose kg of first type and y kg of second type stainless steel taken and mixed so that the ratio of measurement of Chromium and Steel becomes 7:32

Then, ratio of chromium in new mixture

Quantity of chromium in new mixture

Total quantity of new mixture = (x +y)

hence,

⇒

⇒ 12x + 15 y = 14x + 14y

⇒ 14x – 12x = 15y – 14y

⇒ 2x = y

⇒

x: y = 1:2

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