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The length of a rectangle is twice its ...

The length of a rectangle is twice its width. If its perimeter is 54 cm, find its length.

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The correct Answer is:
18 cm
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ICSE-LINEAR EQUATIONS IN ONE VARIABLE-EXERCISE 14(B)
  1. Fifteen less than 4 times as a number is 9. Find the number.

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  2. If Megh'a age is increased by three times her age, the result is 60 ye...

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  3. 28 is 12 less than 4 times a number. Find the number.

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  4. Five less than 3 times a number is -20. Find the number.

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  5. Fifteen more than 3 times Neetu's age is the same as 4 times her age. ...

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  6. A number decreased by 30 is the same as 14 decreased by 3 times the nu...

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  7. A's salary is same as 4 times B's salary. If together they earn "Rs. 3...

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  8. Separate 178 into two parts so that the first part is 8 less than twic...

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  9. Six more than one - fourth of a number is two - fifth of the number. F...

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  10. The length of a rectangle is twice its width. If its perimeter is 54 ...

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  11. A rectangle's length is 5 cm less than twice its width. If the length ...

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  12. The sum of three consecutive odd numbers is 57. Find the numbers.

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  13. A man's age is three times that of his son and in twelve years he will...

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  14. A man is 42 years old and his son is 12 years old. In how many years w...

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  15. A man completed a trip of 136 km is 8 hours. Some parts of the trip wa...

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  16. The difference of two numbers is 3 and the difference of their square ...

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  17. Two consecutive natural numbers are such that one - fourth of the smal...

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  18. Three consecutive whole numbers are such that if they be divided by 5,...

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  19. It the same number be added to the numbers 5, 11, 15 and 31, the resul...

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  20. The present age of a man is twice that of his son. Eight years hence, ...

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