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Question 15
When 8 times of a number is increased by 4, the result is the smallest 3 digit number. What is the number?
Solution
let the number be NÂ
when N = 8
8N + 4
ATQÂ
8N + 4Â is a smallest 3 digit number
lets check the option
when N = 8
8N + 4 = 68
when N = 12
8N + 4 = 100Â
when N = 15
8N + 4 =Â 124
when N = 10
8N + 4 = 84
 So, N = 12
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