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

    Question

    Find the missing number. 

    src="https://www.ixambee.com/questionimage/Question-Bank/1704878006-nflpypqn47image1.PNG" alt="" />
    A 44 Correct Answer Incorrect Answer
    B 36 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    The correct answer is 25. The logic: 4 * 9 = 36 i.e. square of 6. 9 * 16 = 144 i.e. square of 12 16 * x = 400 i.e. square of 20

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