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Find a number such that when 15 is subtr...

Find a number such that when 15 is subtracted from7 times the number, the result is 10 more than twice the number.

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RS AGGARWAL-PROBLEMS ON NUMBERS-All Questions
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  2. Find a number such that when 15 is subtracted from7 times the numbe...

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  3. The sum of a rational number and its reciprocal is (13)/6 . Find th...

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  4. The sum of two numbers is 184. If one –third of the one exceeds one...

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  5. The difference of two numbers is 11 and one-fifth their sum is 9. F...

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  6. If the sum of two numbers is 42 and their product is 437, them find...

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  7. If the sum of two numbers is 10 and the sum of their reciprocals is...

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  8. Three numbers are in the ratio 3:2: 5. The sum o their squares is 1862...

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  9. The sum of seven consecutive natural numbers I s1617. How many of t...

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  10. The product of two consecutive numbers is 4032. Find the numbers.

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  11. The sum of the two numbers I s15 and sum of their squares is 113. Fi...

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  12. The average of four consecutive even numbers is 27. Find the larges...

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  13. The sum of the squares of three consecutive odd number is 2531. Fin...

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  14. Of two numbers, 4 times the smaller one is less than 3 times the la...

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  15. The ratio between a two digit number and the sum of the digits of t...

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  16. A number consists o two digits. The sum of the digits is 9. If 63 i...

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  17. In a three digit number, the digit in the units place is four times...

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  18. If the digits of a two digit number are interchanged, the number for...

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  19. A fraction becomes 2/3 when 1 is added to both its numertor5 and de...

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  20. 50 is divided into two parts such that the sum of their reciprocals...

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