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- Question
The following equation is incorrect. Which two signs should be interchanged to correct the equation? 10 x 4 + 5 - 30 ÷ 6 = 31
Options- A. x and -
- B. ÷ and -
- C. + and ÷
- D. - and +
- Correct Answer
- x and -
- 1. In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question. 5 + 10 x 21 ÷ 5 - 15 = ?
Options- A. 49
- B. 2
- C. 20
- D. 34 Discuss
- 2. Which of the following interchanges in signs and numbers will make the given equation correct? 8 x 9 + 2 = 74
Options- A. x and =, 2 and 9
- B. x and +, 8 and 2
- C. + and x, 8 and 9
- D. + and =, 74 and 2 Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. 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. 15 x 26 = 6512 29 x 36 = 6923, 46 x 54 = ?
Options- A. 5464
- B. 4645
- C. 4564
- D. 4465 Discuss
- 7. In the following problem, '=' stands for '÷' , '+' stands for '' , 'x' stands for '=', '' stands for '+' and '÷' stands for 'x'. Find the correct equation.
Options- A. 8 ÷ 4 + 1 - 5 = 6 x 4
- B. 4 x 6 ÷ 4 + 4 = 7
- C. 5 ÷ 3 - 25 + 20 = 20 x 39
- D. 96 ÷ 2 x 6 ÷105 + 1 Discuss
- 8. If (?) stands for division, (+) stands for multiplication, (÷) stands for subtraction and (×) stands for addition, which one of the following equations is correct?
Options- A. 100+5?10×250÷200 = 100
- B. 200+10?20×200÷100 = 150
- C. 50×5÷10+100?75 = 50
- D. 300+5?20×200÷100 = 200 Discuss
- 9. If, 4x3=14; 5x4=18; 6x5=22; Then find the value of 7x6=?
Options- A. 20
- B. 26
- C. 30
- D. 42 Discuss
- 10. In the following question, by using which mathematical operator will the expression become correct? 18 ? 6 ? 9 ? 27
Options- A. x, ÷ and =
- B. ÷, x and =
- C. x, + and =
- D. +, ? and = Discuss
Mathematical Operations problems
Search Results
Correct Answer: 2
Correct Answer: x and +, 8 and 2
Correct Answer: 130
Correct Answer: 235
Correct Answer: 5
Correct Answer: 4645
Correct Answer: 5 ÷ 3 - 25 + 20 = 20 x 39
Correct Answer: 100+5?10×250÷200 = 100
Correct Answer: 26
Correct Answer: ÷, x and =
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