The number that is to be added to 10% of 320 to have the

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The number that is to be added to 10% of 320 to have the sum as 30% of 230 is

1. 37
2. 32
3. 23
4. 73

Correct Option: A

Let Number to be added = p

∴	320 × 10	+ p =	230 × 30
	100		100

⇒ 32 + p = 69
⇒ p = 69 – 32 = 37
Hence , required number to be added 37 .