Question : The average of three numbers is 135. The largest number is 195 and the difference between the other two is 20. The smallest number is:
Option 1: 65
Option 2: 95
Option 3: 105
Option 4: 115
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Correct Answer: 95
Solution : Given: The average of the three numbers is 135. The largest number is 195. According to the question, Let the smallest number be x then the other number will be (x + 20). The sum of number = 135 × 3 = 405 Now, 195 + x + x + 20 = 405 ⇒ 2x + 215 = 405 ⇒ 2x = 405 - 215 = 190 ∴ x = $\frac{190}{2}$ = 95 Hence the answer is 95.
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