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Find the number which when multiplied by 7 is increased by 78.

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RD SHARMA-LINEAR EQUATIONS IN ONE VARIABLE-All Questions
  1. Sara’s mother is three times as old as Sara and four times as old as ...

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  2. If 5 is subtracted from three times a number, the result is 16. Find ...

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  3. Find the number which when multiplied by 7 is increased by 78.

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  4. Find three consecutive natural numbers such that the sum of the first ...

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  5. The difference between two numbers is 7. Six times the smaller plus th...

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  6. A man says, “I am thinking of a number. When I divide it by 3 and then...

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  7. If a number is tripled and the result is increased by 5, we get 50. ...

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  8. Shikha is 3 years younger to her brother Ravish. If the sum of their ...

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  9. Mrs. Jain is 27 years older than her daughter Nilu. After 8 years she ...

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  10. A man is 4 times as old as his son. After 16 years, he will be only ...

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  11. The difference in age between a girl and her younger sister is 4 years...

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  12. One day, during their vacation at a beach resort, Shelia found twice a...

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  13. Andy has twice as many marbles as Pandy, and Sandy has half as many ha...

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  14. A bag contains 25 paise and 50 paise coins whose total value is Rs 30....

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  15. The length of a rectangular field is twice its breadth. If the peri...

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  16. There are only 25 paise coins in a purse. The value of money in the ...

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  17. In a hostel mess, 50 kg rice are consumed every day. If each student ...

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  18. The zero of 3x+2 is 2/3 (b) 3/2 -2/3 (d) (-3)/2

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  19. If 2x-3/2=5x+3/4, then x= 3/4 (b) -3/4 4/3 (d) -4/3

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  20. If x/2-4=x/3-1, then x= 3 (b) 6 18 (d) 2

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