# CBSE Class 10-Mathematics: Chapter – 3 Pair of Linear Equation in Two Variables Part 21 (For CBSE, ICSE, IAS, NET, NRA 2022)

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**Question 24**:

On selling a T. V. at gain and a fridge at gain shop keeper gains ₹ . But if he sells the T. V at gain and the Fridge at loss, he gains on the transaction. Find the actual Price of TV and Fridge.

**Answer**:

Let the selling price of TV ₹

And fridge

According to question,

And

On solving eq. (i) and (ii) , we get,

**Question 25**:

A taken 3 hours more than B to walk a distance of . But if A doubles his speed, he is ahead of B by hours. Find their original speed.

**Answer**:

Let the original speed of A and B are and respectively.

According to question,

Or

Or

And

On adding (i) and (ii) , we get,

Or

And