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Home Aptitude Simplification Comments

  • Question
  • Simplify and find '?' 48?+32? = 320


  • Options
  • A. 4
  • B. 8
  • C. 16
  • D. 32

  • Correct Answer
  • 16 

    Explanation

    given

      48 ? + 32 ? =   320  

    =>  6 ? + 4 ? = 40

    Now squaring on both sides

    =>  36   x   ?   +   16   x   ?   +   48   x   ?   =   1600

    => 100 x ? = 1600

    =>  ? = 16

  • Tags: AIEEE, Bank Exams, CAT, Bank Clerk, Bank PO

    Simplification problems


    Search Results


    • 1. Solve this inequality 3b - 7 < 32?

    • Options
    • A. b = 13
    • B. b < 13
    • C. b > = 13
    • D. b < = 13
    • Discuss
    • 2. A man could buy a certain number of notebooks for Rs.300. If each notebook cost is Rs.5 more, he could have bought 10 notebooks less for the same amount. Find the price of each notebook ?

    • Options
    • A. 15
    • B. 20
    • C. 10
    • D. 8
    • Discuss
    • 3. 217 x 217 + 183 x 183 = ?

    • Options
    • A. 84521
    • B. 87487
    • C. 80578
    • D. 78458
    • Discuss
    • 4. Hemavathi gets 3 marks for each right sum and loses 2 marks for each wrong sum. He attempts 35 sums and obtains 60 marks. The number of sums attempted correctly is ?

    • Options
    • A. 23
    • B. 24
    • C. 25
    • D. 26
    • Discuss
    • 5. If 3x-y=27 , 3x+y=243 then find the x value

    • Options
    • A. 2
    • B. 8
    • C. 4
    • D. 1
    • Discuss
    • 6. Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to ___ ?

    • Options
    • A. 3.7
    • B. 2.7
    • C. 3.6
    • D. 2.9
    • Discuss
    • 7. The average number of visitors of a library in the first 4 days of a week was 58. The average for the 2nd, 3rd, 4th and 5th days was 60.If the number of visitors on the 1st and 5th days were in the ratio 8 : 9. Then what is the number of visitors on the 5th day of the library ?

    • Options
    • A. 54
    • B. 64
    • C. 68
    • D. 72
    • Discuss
    • 8. Twenty times a positive integer is less than its square by 96. What is the integer ?

    • Options
    • A. 42
    • B. 36
    • C. 48
    • D. 24
    • Discuss
    • 9. In a slip test, K got the 15th rank and he was 44th from the bottom of the list of passed students. 4 students did not take up the slip test and 3 students were failed. What is the total strenght of the class ?

    • Options
    • A. 63
    • B. 62
    • C. 64
    • D. 65
    • Discuss
    • 10. Simplify the following : 373+353+283-3x37x35x28372+352+282-37x35-35x28-37x28 ?

    • Options
    • A. 100
    • B. 1
    • C. 4
    • D. 0
    • Discuss


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