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  • Question
  • A*B means multiply A by B; A@B means divide A by B, A?B means add B to A and A=B means subtract B from A. Then find the value of 10*10 = 5*10 ? 50@10


  • Options
  • A. 100
  • B. 45
  • C. 1000
  • D. 55

  • Correct Answer
  • 55 

  • Tags: Bank Exams

    Coding Decoding problems


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    • 1. Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. If 98-39-27=31, 87-38-34=20, then 79-25-12 = ?

    • Options
    • A. 51
    • B. 22
    • C. 42
    • D. 15
    • Discuss
    • 2. If 18?1 = 34, 19?2 = 34 and 18?3 = 30, then find the value of 18?8 = ?

    • Options
    • A. 6
    • B. 16
    • C. 20
    • D. 8
    • Discuss
    • 3. In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question. 160 + 8 x 30 ÷ 4 - 6 = ?

    • Options
    • A. 42
    • B. 14
    • C. 5
    • D. 17
    • Discuss
    • 4. In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation. 6 x 2 x 9 = 269 8 x 7 x 1 = 781 4 x 1 x 3 = ?

    • Options
    • A. 431
    • B. 413
    • C. 341
    • D. 143
    • Discuss
    • 5. In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation. 462 = 551 398 = 487 856 = ?

    • Options
    • A. 745
    • B. 773
    • C. 945
    • D. 743
    • Discuss
    • 6. If REDUCE= 56, RECYCLE = 71 then REUSE=?

    • Options
    • A. 65
    • B. 68
    • C. 69
    • D. 70
    • Discuss
    • 7. If 56 x 11 = 9, 37 x 13 = 6, 42 x 12 = 3, then find the value of 87 x 77.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 8. If UNCOVER is coded as FMXLEVI, then how will TIP be coded as?

    • Options
    • A. LTV
    • B. NQV
    • C. KHQ
    • D. GRK
    • Discuss
    • 9. If BOULDER is coded as ZMSJBCP, then how will ELK be coded as?

    • Options
    • A. XIG
    • B. EOC
    • C. CJI
    • D. BXM
    • Discuss
    • 10. In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question? 56 ÷ 8 + 12 - 72 = ?

    • Options
    • A. 32
    • B. 88
    • C. 44
    • D. 82
    • Discuss


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