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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 were there in the class?

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The correct Answer is:
20 or 40
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NCERT TAMIL-QUADRATIC EQUATIONS-EXERCISE - 5.2
  1. Find the roots of the quadratic equations by factorisation: x^(2)-3...

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  2. Find the roots of the quadratic equations by factorisation: 2x^(2)+x...

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  3. Solve the following quadratic equations by factorization method. sqr...

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  4. Find the roots of the quadratic equations by factorisation: 2x^(2)-x...

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  5. Find the roots of the quadratic equations by factorisation: 100x^(2)...

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  6. Find the roots of the quadratic equations by factorisation: x(x+4)=1...

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  7. Find the roots of the quadratic equations by factorisation: 3x^(2)-5...

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  8. Find the roots of the quadratic equations by factorisation: x-(3)/(x...

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  9. Find the roots of the quadratic equations by factorisation: 3(x-4)^(...

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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 7 cm less than its base. If the hy...

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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 wh...

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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 24 km in a river whose curre...

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