The average income of Rahim and Subham is Rs. 300. The average income of Amit and Ranit is Rs. 200. The average income of Rahim, Subham, Amit and Ranit is
Solution
Correct Answer: Option D
The average income of Rahim and Subham is Rs. 300.
So, the total income of Rahim and Subham = Rs. (300 × 2) = Rs. 600
The average income of Amit and Ranit is Rs. 200.
So, the total income of Amit and Ranit = Rs. (200 × 2) = Rs. 400
The total income of Rahim, Subham, Amit and Ranit = Rs. (600 + 400) = Rs. 1000
∴ The average income of Rahim, Subham, Amit and Ranit = Rs. (1000/4) = Rs. 250
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