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The number of boys and girls in a class ...

The number of boys and girls in a class are in the ratio 7:5. The number of boys is 8 more than the number of girls. What is the total class strength?

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The correct Answer is:
`20 = 48`
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SWAN PUBLICATION-LINEAR EQUATIONS IN ONE VARIABLE -EXERCISE 2.2
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  3. The number of boys and girls in a class are in the ratio 7:5. The numb...

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  4. Baichung’s father is 26 years younger than Baichung’s grandfather and ...

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  5. Fifteen years from now Ravi’s age will be four times his present age. ...

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  6. A rational number is such that when you multiply it by 5/2 and add 2/3...

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  7. Lakshmi is a cashier in a bank. She has currency notes of denomination...

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  8. I have a total of Rs 300 in coins of denomination Rs 1, Rs 2 and Rs 5...

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  9. The organisers of an essay competition decide that a winner in the com...

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  10. If you subtract 1/2 from a number and multiply the result by 1/2, you ...

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  11. The perimeter of a rectangular swimming pool is 154 m. Its length is 2...

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  12. The base of an isosceles triangle is 4/3 cm. The perimeter of the tria...

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  13. Sum of two numbers is 95. If one exceeds the other by 15, find the num...

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  14. Two numbers are in the ratio 5:3. If they differ by 18, what are the n...

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  15. Three consecutive integers add up to 51. What are these integers?

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  16. The sum of three consecutive multiples of 8 is 888. Find the multiples...

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  17. Three consecutive integers are such that when they are taken in increa...

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  18. The ages of Rahul and Haroon are in the ratio 5:7. Four years later th...

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  19. The number of boys and girls in a class are in the ratio 7:5. The numb...

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  20. Baichung’s father is 26 years younger than Baichung’s grandfather and ...

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