1.

In a row of boys A is 20th from left and B is 16th from right, interchange their position, then A becomes 30th from left. How many boys are there in the row? 1. 46 2. 44 3. 45 4. 48

Answer»

Correct option is  3. 45

Between A and B → 30 – 20 – 1 = 09 

total = 20 + 9 + 16 = 45



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