If the mean of the following distribution is 42, find the value of (2x + 4y). [Table — Class: 0-20, 20-40, 40-60, 60-80, 80-100, Total; Frequency: 8, 20, x, 2, y, 70]
Subject: Mathematics | Topic: Statistics | Difficulty: MEDIUM
Options
- (A) 86
- (B) 75
- (C) 68
- (D) 100
Verified Answer
Option (A): 86
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