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My younger sister's age today is 3 times...

My younger sister's age today is 3 times what it will be 3 years from now minus 3 times what her age was 3 years ago. Find her present age.

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NCERT EXEMPLAR-SIMPLE EQUATIONS-EXERCISE
  1. After 25 years, Rama will be 5 times as old as he is now. Find his pre...

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  2. After 20 years, Manoj will be 5 times as old as he is now. Find his pr...

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  3. My younger sister's age today is 3 times what it will be 3 years from ...

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  4. If 45 is added to half a number, the result is triple the number. Find...

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  5. In a family, the consumption of wheat is 4 times that of rice. The tot...

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  6. In a bag, the number of one rupee coins is three times the number of t...

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  7. Anamika thought of a number. She multiplied it by 2, added 5 to the pr...

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  8. One of the two numbers is twice the other. The sum of the numbers is 1...

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  9. The sum of three consecutive integers is 5 more than the smallest of t...

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  10. A number when divided by 6 gives the quotient 6. What is the number ?

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  11. The perimeter of a rectangle is 40 m. The length of the rectangle is 4...

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  12. Each of the 2 equal sides of an isosceles triangle is twice as large a...

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  13. The sum of two consecutive multiples of 2 is 18. Find the numbers.

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  14. Two complementary angles differ by 20^(@). Find the angles.

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  15. 150 has been divided into two parts such that twice the first part is ...

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  16. In a class of 60 students, the number of girls is one third the number...

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  17. Two-third of a number is greater than one-third of the number by 3.Fin...

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  18. A number is as much greater than 27 as it is less than 73. Find the nu...

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  19. A man travelled two fifth of his journey by train, one-third by bus on...

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  20. Twice a number added to half of itself equals 24. Find the number.

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