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Sticky Note
x:y = y:1 find the value of x?
  1. x=y
  2. x=y^2
  3. x-y
  4. none of these
Explanation

To solve this equation, we can set up a proportion:

x/y = y/1

To solve for x, we can cross-multiply:

x = y * y / 1

Simplifying this expression, we have:

x = y^2

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The principal and operation accounts are in the ratio of 7:5. If Rs. 90,000 is transferred from the principal account to the operation account, the ratio becomes 5:4. What was the original amount in the principal account?
  1. Rs. 1,891,000
  2. Rs. 1,892,000
  3. Rs. 1,890,000
  4. None of these
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  2. The comparison of two quantities
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  3. 92
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