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If x ∶ y = 3 ∶ 2 and x + y = 90, then the value (x - y) is :1. 142. 183. 164. 12 |
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Answer» Correct Answer - Option 2 : 18 Given: x : y = 3 : 2 x + y = 90 Calculation: Let us take the value of x and y be 3a and 2a x + y = 3a + 2a ⇒ 3a + 2a = 90 ⇒ 5a = 90 ⇒ a = 18 ⇒ x = 3a = 54 ⇒ y = 2a = 36 ⇒ x - y = 54 - 36 = 18 ∴ The value (x - y) is 18 |
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