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Father’s age is three times the sum of a...

Father’s age is three times the sum of ages of his two children. After 5 years his age will be twice the sum of ages of two children. Find the age of father.

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RD SHARMA ENGLISH-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-All Questions
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  3. Father’s age is three times the sum of ages of his two children. After...

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  7. A fraction is such that if the numerator is multiplied by 3 and the ...

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  8. The sum of two numbers is 1000 and the difference between their square...

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  9. A two-digit number is 3 more than 4 times the sum of its digits. If 18...

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  10. A two-digit number is such that the product of its digits is 20. If 9 ...

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  11. Seven times a two-digit number is equal to four times the number ob...

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  12. The sum of a two digit number and the number formed by interchanging ...

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  13. The sum of a two digit number and the number formed by interchanging ...

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  14. A two digit number is obtained by either multiplying sum of digits ...

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  15. If three times the larger of the two numbers is divided by the smaller...

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  16. The sum of a two digit number and the number obtained by reversing the...

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  17. In a two digit number, the ten’s digit is three times the unit’s digit...

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  18. 4 tables and 3 chairs, together, cost Rs. 2,250 and 3 tables and 4 ...

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  19. Reena has pens and pencils which together are 40 in number. If she has...

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  20. 7 audio cassettes and 3 video cassettes cost Rs. 1110, while 5 audio ...

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