If the mean of the following distribution is 50, what will be the value of (4x + 9y)? [Table: class | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 | total; frequency | 5 | 17 | x | 7 | y | 41] (Printed in tabular form in the source.)
Subject: Mathematics | Topic: Statistics | Difficulty: MEDIUM
Options
- (A) 108
- (B) 103
- (C) 87
- (D) 98
Verified Answer
Option (D): 98
Practice complete mock tests for SSC, Banking & Railway exams at https://testx.in/questions/01a0bf8d-2f54-7e09-ab99-c0d69a41c0f2/if-the-mean-of-the-following