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Home ‣ Verbal Reasoning ‣ Mathematical Operations See What Others Are Saying!
  • Question

  • 16 + 4 ÷ 2 - 21 x 7 = 21


  • Options
  • A. + and -
  • B. + and x
  • C. - and ÷
  • D. x and ÷

  • Correct Answer
  • x and ÷ 

    Explanation

    If we interchange the signs 'x' and '÷' the equation becomes
    16 + 4 x 2 - 21 ÷ 7 = 16 + 8 - 3 = 21

    • More questions

    • 1. In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question. 2 - 12 + 10 x 5 ÷ 12 = ?

    • Options
    • A. 32
    • B. 8
    • C. 4
    • D. 14
      • Discuss
    • 2. 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
    • 3. If 8*2 = 3, 14*18 = -2 and 18*2 = 8, then find the value of 14*10 = ?

    • Options
    • A. 2
    • B. -5
    • C. -2
    • D. 6
      • Discuss
    • 4. Which of the following terms follows the trend of the given list? XxXXXXX, XXxXXXX, XXXxXXX, XXXXxXX, XXXXXxX, _______________.

    • Options
    • A. xXXXXXX
    • B. XxXXXXX
    • C. XXXXXXx
    • D. XXxXXXX
      • Discuss
    • 5. If S = 19, SUN = 54 and CAKE = 20 , then MISTAKE = ?

    • Options
    • A. 78
    • B. 68
    • C. 59
    • D. 48
      • Discuss
    • 6. If '+' stands for multiplication, '-' stands for addition, 'x' stands for division, then what is the value of 128 + 9 - 16 x 4 = ?

    • Options
    • A. 73
    • B. 256
    • C. 1156
    • D. 1352
      • Discuss
    • 7. In a certain code language, ?PRIME? is written as ?VNRIK?. How is ?MICRO? written in that code language?

    • Options
    • A. LIXRN
    • B. NRILV
    • C. VPQAN
    • D. NPVQR
      • Discuss
    • 8. The following equation is incorrect. Which two signs should be interchanged to correct the equation? 13 - 14 ÷ 30 x 7 + 15 = 13

    • Options
    • A. + and ÷
    • B. - and +
    • C. ÷ and x
    • D. x and -
      • Discuss
    • 9. If 'WZB' stands for 'DAY', how will you code 'MONDAY'?

    • Options
    • A. NLMWZB
    • B. PLOWZB
    • C. NMLWZB
    • D. PQRWZB
      • Discuss
    • 10. If '+' means '/', '/' means '','' means 'x', 'x' means '+', then 24+8/26x6=?

    • Options
    • A. -10
    • B. -3
    • C. 12
    • D. 21
      • Discuss

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