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  • Question
  • If it is possible to form a number which is a perfect square of a two digit odd number using the second, fourth, seventh digits of the number 739142658 using each only once, which of the following is the second digit of that two-digit odd number?


  • Options
  • A. 4
  • B. 7
  • C. 3
  • D. none

  • Correct Answer
  • none 

    Explanation

    The 2nd, 4th, 7th digits are 3, 1, 6 respectively.

     

    The perfect square of a two-digit odd number, formed using these digits, is 361

     

    and 361 = 19^2


  • Time Sequence problems


    Search Results


    • 1. If the digits in the number 25673948 are arranged in ascending order from left to right, what will be the sum of the digits which are fourth from the right and third from the left in the new arrangement?

    • Options
    • A. 10
    • B. 9
    • C. 8
    • D. 6
    • Discuss
    • 2. How many days will be there from 26th january 2008, to 15th may 2008(both days are included)?

    • Options
    • A. 111
    • B. 112
    • C. 110
    • D. 113
    • Discuss
    • 3. If the day before yesterday was thursday, when will sunday be ?

    • Options
    • A. tomorrow
    • B. today
    • C. day after tomorrow
    • D. none
    • Discuss
    • 4. If the third day of a month is Tuesday, which of the following would be the 4th day before the 27th day of that month?

    • Options
    • A. Tuesday
    • B. Monday
    • C. Wednesday
    • D. Sunday
    • Discuss
    • 5. In a row of boys, Haran is eleventh from the left and manoj is seventeenth form the right. When they exchange their places than Haran will be thirteenth from the left. Which of the following will be the new position of Manoj from the right ?

    • Options
    • A. 11
    • B. 19
    • C. 13
    • D. 17
    • Discuss
    • 6. If first day of the year(not a leap year) was monday, then what was the last day of the year?

    • Options
    • A. friday
    • B. saturday
    • C. monday
    • D. sunday
    • Discuss
    • 7. Manoj and Satya are ranked seventh and eleventh respectively from the top in a class of 31 students. What will be their respective ranks from the bottom in the class ?

    • Options
    • A. 25th and 21st
    • B. 26th and 22nd
    • C. 20th and 24th
    • D. 24th and 20th
    • Discuss
    • 8. Sandhya's birthday falls on 15th August and Minu's birthday falls on 25th June. If Minu's birthday was on Wednesday, what was the day on Sandhya's birthday in the same year?

    • Options
    • A. Friday
    • B. Monday
    • C. Tuesday
    • D. Saturday
    • Discuss
    • 9. 382 473 568 728 847 629 If 382 is written as 238, 473 as 347 and so on, then which of the following two numbers will have least difference between them?

    • Options
    • A. 473 & 382
    • B. 629 & 728
    • C. 629 & 847
    • D. 728 & 847
    • Discuss
    • 10. In a row of thirty boys, R is fourth from the right end and W is tenth from the left end . How many boys are there between R and W?

    • Options
    • A. 15
    • B. 16
    • C. 17
    • D. can't be determined
    • Discuss


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