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If frac(a)(b) = frac(c ) (d), show tha a...

If `frac(a)(b) = frac(c ) (d)`, show tha ad = bc

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If frac(a)(b) = frac(c )(d) , show that frac(a+b)(b) = frac(c+d)(d)

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A rational number is such that when you multiply it by frac(5)(2) and frac(2)(3) add to the product, you get -frac(7)(12) . What is the number?

Solve: frac(x)(7) + frac(5)(2) = frac(alpha)(4) - frac(1)(2)

Solve: frac(x)(2) -frac(1-2x)(3) =2

Solve the following linear equations. frac(n)(2) - frac(3n)(4) + frac(5n)(6) = 21

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ASHOK PUBLICATION ASSAM-Direct and Inverse Proportions-EXAMPLE
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  5. Observe the following tables and find if x and y are directly proporti...

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  6. Observe the following tables and find if x and y are directly proporti...

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  7. Principal = Rs 1000, Rate = 8% per annum. Fill in the following table ...

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  10. On a squared paper, draw five squares of different sides. Write the fo...

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  11. The following ingredients are required to make halwa for 5 persons : S...

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  12. Take a squared paper and arrange 48 counters on it in different number...

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  13. Take a squared paper and arrange 48 counters on it in different number...

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  14. Observe the following tables and find which pair of variables (here x ...

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  15. Observe the following tables and find which pair of variables (here x ...

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  16. Observe the following tables and find which pair of variables (here x ...

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  17. If frac(a)(b) = frac(c ) (d), show tha ad = bc

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  18. If frac(a)(b) = frac(c )(d), show that frac(a+b)(b) = frac(c+d)(d)

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  19. What is the inverse ratio of m:n?

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  20. Find the ratio of 1 cm and 1 m.

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