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

    Question

    In a zoo, 40% of the people are males. 50% of the

    remaining are females and the remaining 570 are children’s. Find the total number of people in a zoo.
    A 1550 Correct Answer Incorrect Answer
    B 1900 Correct Answer Incorrect Answer
    C 1250 Correct Answer Incorrect Answer
    D 1200 Correct Answer Incorrect Answer

    Solution

    Let the total number of people be 100x. Male =  (40/100) × 100x = 40x Remaining people = 100x - 40x = 60x Number of females = 60x × 50/100 = 30x Number of children = 100x - (40x + 30x) = 30x 30x = 570 x = 19  Total number of people in a zoo is 1900.

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