New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A vendor mixes 4 kg of oil at Rs. 10 per kg with 6 kg at

    Rs. 6 per kg. What is the cost price (in Rs.) of the mixture per kg?
    A Rs. 7.5 Correct Answer Incorrect Answer
    B Rs. 6 Correct Answer Incorrect Answer
    C Rs. 7.2 Correct Answer Incorrect Answer
    D Rs. 6.4 Correct Answer Incorrect Answer

    Solution

    Required cost price = (6 × 4 + 6 × 10) ÷ (4 + 10) = (84 / 14) = Rs. 6.0

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