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Number Series Test 685
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Number Series Test 685
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  • Question 1/5
    1 / -0.25

    Directions For Questions

    Directions: Below questions are based on the following six numbers.

    927 589 285 554 978 417

    ...view full instructions


    If two digit numbers are formed by taking the 2nd and 3rd digits respectively of each of these numbers and then the two digits of each of these two digit numbers are interchanged, then which number from the given numbers will be the second highest number in the revised form?

    Solutions

    Given numbers:

    927 589 285 554 978 417

    Forming two digit numbers taking the 2nd and 3rd digits respectively:

    27 89 85 54 78 17

    Interchanging the digits:

    72 98 58 45 87 71

    Hence, 87 is second highest number which is formed from 978.

  • Question 2/5
    1 / -0.25

    Directions For Questions

    Directions: Below questions are based on the following six numbers.

    927 589 285 554 978 417

    ...view full instructions


    If all the six numbers are written with their digits in the reverse order, what is the sum of the digits of second lowest number?
    Solutions

    Given numbers:

    927 589 285 554 978 417

    Reversing the digits within each number:

    729 985 582 455 879 714

    Second lowest number formed is 582.

    Sum: 5 + 8 + 2 = 15.

    Hence, the sum is 15.

  • Question 3/5
    1 / -0.25

    Directions For Questions

    Directions: Below questions are based on the following six numbers.

    927 589 285 554 978 417

    ...view full instructions


    If first two digits of each number are interchanged and all numbers are arranged in descending order then, what is the product of 1st digit of second lowest number and 3rd digit of second highest number?
    Solutions

    Given numbers:

    927 589 285 554 978 417

    Interchanging first two digit in all numbers:

    297 859 825 554 798 147

    Arranging in descending order:

    859 825 798 554 297 147

    1st digit of second lowest number is 2.

    3rd digit of second highest number is 5.

    Product: 2 × 5 = 10.

    Hence, the product is 10.

  • Question 4/5
    1 / -0.25

    Directions For Questions

    Directions: Below questions are based on the following six numbers.

    927 589 285 554 978 417

    ...view full instructions


    If one is added to each of the given numbers and then all three digits are arranged in descending order within each number, then what is the sum of products of 1st and 3rd digits of the highest number and the second-lowest number?
    Solutions

    Given numbers:

    927 589 285 554 978 417

    Adding one to each number:

    928 590 286 555 979 418

    Arranging digits in descending order with in each number:

    982 950 862 555 997 841

    Product of 1st and 3rd digits of highest number “997”: 9 × 7 = 63.

    Product of 1st and 3rd digits of second lowest number “841”: 8 × 1 = 8

    Sum: 63 + 8 = 71.

    Hence, the sum is 71.

  • Question 5/5
    1 / -0.25

    Directions For Questions

    Directions: Below questions are based on the following six numbers.

    927 589 285 554 978 417

    ...view full instructions


    If one is subtracted from middle digit in each number and then all digits in each number are arranged in ascending order within each number then, what is the difference between the sum of digits of second highest and second lowest numbers?
    Solutions

    Given numbers:

    927 589 285 554 978 417

    Subtracting “one” from middle digit in each number:

    917 579 275 544 968 407

    Arranging all digits in ascending order within each number:

    179 579 257 445 689 047

    Second highest number is 579 and second lowest number is 179

    Sum:

    5 + 7 + 9 = 21

    1 + 7 + 9 = 17

    Difference: 21 – 17 = 4

    Hence, the difference is 4.

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