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  • Question

  • If 4 * 2 = 3 and 8 * 4 = 3 , then 21 * 7 = ?


  • Options
  • A. 4
  • B. 3
  • C. 8
  • D. 16

  • Correct Answer
  • 4 

    • Tags: Bank Exams

    Coding Decoding problems

    Search Results

    • 1. If x stands for - , + means x , ÷ means + and - means ÷ , then what is the value of the given expression? 175 - 25 ÷ 5 + 2 x 3 + 10 = ?

    • Options
    • A. 77
    • B. 160
    • C. 240
    • D. 2370
      • Discuss
    • 2. If 15@7=44; 5@4=18; 6@17=46; then what is the value of 17@4=?

    • Options
    • A. 36
    • B. 42
    • C. 40
    • D. 49
      • Discuss
    • 3. In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question? 75 - 5 + 25 ÷ 125 = ?

    • Options
    • A. 5
    • B. 10
    • C. 3
    • D. 75
      • Discuss
    • 4. If PROJECT is coded as KILQVXG, then how will EGO be coded as?

    • Options
    • A. VPU
    • B. MJN
    • C. VTL
    • D. SGD
      • 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. 7 x 5 x 6 = 576, 4 x 2 x 5 = 245, 8 x 2 x 5 = ?

    • Options
    • A. 258
    • B. 285
    • C. 582
    • D. 852
      • Discuss
    • 6. If in a code language 3456 = ROPE and 15526 = APPLE then 54613 = ?

    • Options
    • A. RPPEO
    • B. ROPEA
    • C. POEAR
    • D. PAREO
      • Discuss
    • 7. Some equations are solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. 5 x 4 x 3 = 70 , 6 x 5 x 4 = 140 7 x 6 x 5 = ?

    • Options
    • A. 210
    • B. 220
    • C. 230
    • D. 240
      • Discuss
    • 8. If HUMBLED is coded as JWODNGF, then how will WAX be coded as?

    • Options
    • A. DHP
    • B. YCZ
    • C. VIS
    • D. JMH
      • Discuss
    • 9. If 9@3=12; 15@4=22; 16@14=4; then what is the value of 6@2=?

    • Options
    • A. 26
    • B. 1
    • C. 30
    • D. 8
      • Discuss
    • 10. Two motorcyclists P and Q start from the same point. P rides 11 km West, then turns South and rides 16 km, then turns to his right and rides 14 km. Q rides 30 km South, then turns to his right and rides 25 km. Where is Q with respect to P now?

    • Options
    • A. 14 km North
    • B. 14 km South
    • C. 44 km South
    • D. 44 km North
      • Discuss

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