If the mean of the following distribution is 53, find the value of (2x + 7y). [Distribution table — class / frequency: 0-20 / 7, 20-40 / 11, 40-60 / x, 60-80 / 8, 80-100 / y, total / 60]
Subject: Mathematics | Topic: Statistics | Difficulty: MEDIUM
Options
- (A) 133
- (B) 151
- (C) 127
- (D) 137
Verified Answer
Option (A): 133
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