Subject

    Quantitative Aptitude

    Topic

    Average

    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

    ক)
    Rs. 275
    খ)
    Rs. 225
    গ)
    Rs. 450
    ঘ)
    Rs. 250
    ঙ)
    Rs. 300

    Explanation

    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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