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  • Question

  • If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then 81 x 9 + 10 ? 6 ÷ 5 = ?


  • Options
  • A. 46
  • B. -46
  • C. 47
  • D. -45

  • Correct Answer
  • -46 

    • Tags: AIEEE, Bank Exams, CAT

    Mathematical Operations problems

    Search Results

    • 1. If the signs + and / and the numbers 2 and 4 are interchanged, which one of the following four equations would be correct?

    • Options
    • A. 4/2+3 = 6
    • B. 2+4/3 = 3
    • C. 4+2/6 = 1.5
    • D. 2+4/6 = 8
      • Discuss
    • 2. In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question? 72 x 9 - 14 + 2 = ?

    • Options
    • A. 26
    • B. 80
    • C. 30
    • D. 36
      • Discuss
    • 3. The following equation is incorrect. Which two signs should be interchanged to correct the equation? 1 ÷ 14 x 30 + 20 - 10 = 12

    • Options
    • A. - and +
    • B. ÷ and x
    • C. x and -
    • D. + and ÷
      • Discuss
    • 4. If "?" means "added to", "+" means "divided by", "÷" means "multiplied by", "x" means "subtracted from", then 13 + 12 x 9 ÷ 3 ? 6 = ?

    • Options
    • A. ?117/11
    • B. 117/11
    • C. ?237/12
    • D. ?239/12
      • Discuss
    • 5. If 19 (36) 13 and 37 (81) 28, then what is the value of 'A' in 43 (A) 38?

    • Options
    • A. 49
    • B. 36
    • C. 25
    • D. 16
      • Discuss
    • 6. If, 1*2= 1, 2*3= 1 and 3*4= 5, Then find the value of 7*9= ?

    • Options
    • A. -47
    • B. -29
    • C. -2
    • D. -9
      • Discuss
    • 7. In the following question, correct the equation by interchanging two signs. 6 + 8 ÷ 4 ? 4 = 8

    • Options
    • A. ÷ and =
    • B. ÷ and +
    • C. ÷ and ?
    • D. + and ?
      • Discuss
    • 8. If 4 x 9 x 3 = 4 and 5 x 3 x 1 = 3, then 9 x 9 x 7 = ?

    • Options
    • A. 5
    • B. 6
    • C. 7
    • D. 9
      • Discuss
    • 9. In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question? 25 + 10 ÷ 240 x 16 = ?

    • Options
    • A. 85
    • B. 235
    • C. 12
    • D. 20
      • Discuss
    • 10. If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then 38 x 2 ? 6 + 19 ÷ 35 = ?

    • Options
    • A. 130
    • B. 140
    • C. 135
    • D. 145
      • Discuss

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