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In a class of 60 students, each boy cont...

In a class of 60 students, each boy contributed rupees equal to the number of girls and each girl contributed rupees equal to the number of boys. If the total money then collected was Rs. 1600, how many boys are there in the class?

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The correct Answer is:
x = 40 (or) 20
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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-EXERCISE 5.2
  1. Find the roots of the following quadratic equations by factorisation. ...

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  2. Find the roots of the following quadratic equations by factorisation ...

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  3. Find the roots of the following quadratic equations by factorisation ...

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  4. Find the roots of the following quadratic equations by factorisation ...

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  5. Find the roots of the following quadratic equations by factorisation ...

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  6. Find the roots of the following quadratic equations by factorisation ...

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  7. Find the roots of the following quadratic equations by factorisation ...

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  8. Find the roots of the following quadratic equations by factorisation ...

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  9. Find the roots of the following quadratic equations by factorisation ...

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  10. Find two numbers whose sum is 27 and product is 182.

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  11. Find two consecutive positive integers, sum of whose squares is 613.

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  12. The altitude of a right triangle is 7cm less then its base. If the hyp...

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  13. A cottage industry produces a certain number of pottery articles in a ...

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  14. Find the dimensions of a rectangle whose perimeter is 28 meters. And w...

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  15. The base of a triangle is 4cm longer than its altitude. If the area of...

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  16. Two trains leave a railway station at the same time. The first train t...

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  17. In a class of 60 students, each boy contributed rupees equal to the nu...

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  18. A motor boat heads upstream a distance of 24km on a river whose curren...

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