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1. Linear Equations in Two Variables
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Q7 of 61 Page 27

Sum of the present ages of Manish and Savita is 31. Manish’s age 3 years ago was 4 times the age of Savita. Find their present ages.

Let Manish’s present age be x

Let Savita’s present age be y


According to 1st situation,



According to second situation,






Subtracting Eq. II from I







Substitute y=8 in eq. I





Manisha's age 23 years


Savita's age 8 years.


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Questions · 61
1. Linear Equations in Two Variables
1 2 2 2 2 2 2 2 2 1 2 2 2 2 2 1 2 3 3 3 3 3 3 1 1 1 1 1 2 3 4 5 6 1 1 1 1 1 2 3 3 3 3 3 4 5 5 5 5 5 6 6 6 6 6 7 7 7 7 7 7
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