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One number is 4 times the other and the ...

One number is 4 times the other and the difference between the two numbers is 21. Find the two numbers.

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The correct Answer is:
7 and 28
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ICSE-SIMPLE LINEAR EQUATIONS -Exercise 7.2
  1. 5/2 less than one-third of a number is 6. Find the number.

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  2. Three-sevenths of a number is greater than two-fifths of the number by...

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  3. One number is 4 times the other and the difference between the two num...

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  4. Six more than seven times a number is 34. Find the number.

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  5. The sum of three consecutive multiples of 3 is 72. Find the three numb...

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  6. The sum of two digits of a two-digit number is 11. If 63 is added to t...

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  7. A given number is trebled to get a second number. This number is also ...

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  8. Ratan is four times as old as Mita. If the sum of their ages is 20 yea...

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  9. Kiran is five times as old as her niece Poonam. After five years, Kira...

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  10. Kiran is 15 years older than Rajat. After six years, their ages will b...

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  11. The length of a rectangular room is twice its breadth. If the perimete...

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  12. A rectangular field is such that its length is one and a half times it...

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  13. If two complementary angles differ by 14^@ , find the angles.

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  14. If two supplementary angles differ by 36^@ , find the angles.

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  15. In an isosceles triangle, each of the two equal sides is 10cm less tha...

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  16. A parallelogram is such that its length is 5 cm less than twice its br...

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  17. Formulate a linear equation and a word problem, each with solution 18.

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