A student was required to multiply a number by 2 and add 3 to it.He instead added 3 to first and then multiplied by 2. If the answer he got was 20, the correct answer would be?

1. A student was required to multiply a number by 2 and add 3 to it.He instead added 3 to first and then multiplied by 2. If the answer he got was 20, the correct answer would be?

[BKB Senior Officer-2012 : 2012]

1. 19

2. 23

3. 17

4. 20

Answer

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