A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then,a + b=?

1. A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then,a + b=?

[EXIM Bank MTO-2013 : 2013]

1. 10

2. 11

3. 12

4. 15

5. None of these

Answer

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