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    5. In the following number series only one number is wrong. Find out the wrong number. 18, 119, 708,

    Question

    In the following number series only one number is

    wrong. Find out the wrong number. 18, 119, 708, 3534, 14136, 42405
    A 708 Correct Answer Incorrect Answer
    B 14136 Correct Answer Incorrect Answer
    C 119 Correct Answer Incorrect Answer
    D 3534 Correct Answer Incorrect Answer

    Solution

    18 x 7 - 7 = 119 119 x 6 - 6 = 714 - 6 = 708 708 x 5 - 5 = 3535 3535 x 4 - 4 = 14136 14136 x 3 - 3 = 42405

    Practice Next
      More Previous year papers Questions
    • If the product of two numbers is 108 and their HCF is 6, then find the LCM of the given two numbers.

    • The ratio of two numbers is 5: 8 and their LCM is 320. What is the difference between these two numbers?

    • Find the highest common factor (HCF) of (15/4) , (10/9) and (25/6)

    • The HCF of two numbers is 48, and their LCM is 1440. If one of the numbers is 576, find the other number.

    • The sum of two numbers is 99 and their HCF is 9. Total number of such pairs of numbers is?     

    • The LCM of two numbers is 33 times of their HCF. The sum of the LCM and HCF is 850. If one number is 25, then the other number is:

    • The least multiple of 19, which on dividing by 5,6,7,8 and 9 leaves remainder 2 in each case is

    • The HCF of two numbers is 8. Which of the following can never be their LCM?

    • The HCF of two numbers is 13. Which of the following can never be their LCM?

    • LCM of two numbers is 12 times their HCF. The product of the numbers is 25920. What will be the maximum possible difference between the numbers?

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