Discussion
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- Question
- If A for '+', M for 'x', D for '÷', G for '>', L for '<', then which of the following will be logically correct?
Options- A. 4A 5D 3G 6A 2M 3
- B. 4A 5M 4L 6D 2A 8
- C. 4D 2A 4G 6D 2A 4
- D. 4A 3M 2L 4D 2M 6
- Correct Answer
- 4A 3M 2L 4D 2M 6
ExplanationSolve all option one by one.
Change the symbol in given question.
From option (D),
4 A 3 M 2 L 4 D 2 M 6
4 + 3 X 2 < 4 ÷ 2 x 6
Apply the BODMAS Rule.
10 < 12 - 1. If '-' stands for 'addition', '÷' for 'multiplication', 'x' for 'subtraction' and '+' for 'division', then which of the following is correct?
Options- A. 25 x 12 -14 ÷ 4 + 6 = 16
- B. 25 - 12 + 14 ÷ 2 x 4 = 15
- C. 25 - 15 + 5 ÷ 4 x 16 = 21
- D. 25 + 11 - 4 ÷ 10 x 6 = 20 Discuss
- 2. If P denotes '÷', Q denotes 'x', R denotes '+' and S denotes '-' then
18 Q 12 P 4 R 5 S 6 =?
Options- A. 95
- B. 53
- C. 51
- D. 57 Discuss
- 3. Which of the following interchange of signs would make the given equation correct?
5 + 3 x 8 - 12 ÷ 4 = 3
Options- A. + and ÷
- B. + and -
- C. - and ÷
- D. + and x Discuss
- 4. If 'P' means '+', 'Q' means 'x', 'R' means '÷' and 'S' means '-', then
44 Q 9 R 12 S 6 Q 4 P 16 =?
Options- A. 36
- B. 124
- C. 25
- D. 112 Discuss
- 5. 24 7 81
x 27 19
If 'x' is the resultant of the first row, what will be the resultant of the second row?
Options- A. 87
- B. 114
- C. 4
- D. 6 Discuss
- 6. If the mathematical signs interchange from - to +, + to ÷. x to - and ÷ to x, then find out the correct answer of the given equation
6 ÷ 8 + 2 x 5 - 8 =?
Options- A. 27
- B. 18
- C. 32
- D. 28 Discuss
- 7. If +, -, x, ÷, =, > and < are represented as ?,?, ?,?, ?, ? and ? respectively, then which of the following is correct?
Options- A. 3 ? 6 ? 2 ? 8 ? 4 ? 5
- B. 3 ? 6 ? 2 ? 8 ? 4 ? 5
- C. 3 ? 6 ? 2 ? 8 ? 4 ? 5
- D. 3 ? 6 ? 2 ? 8 ? 4 ? 5 Discuss
- 8. Select the correct combination of mathematical signs to replace '*' signs and to balance the given equation.
24 * 34 * 2 * 5 * 12
Options- A. + ÷ x =
- B. = ÷ + -
- C. = ÷ - +
- D. + ÷ = x Discuss
- 9. Find the correct group of signs to solve the equation.
24 * 16 * 8 * 32
Options- A. ÷ - =
- B. - + =
- C. x ÷ =
- D. + - = Discuss
- 10. If '+' means '-', '-', means 'x' , '÷' means '+' and 'x' means '÷', then
10 x 5 ÷ 3 - 2 + 3 =?
Options- A. 5
- B. 53/3
- C. 21
- D. 36 Discuss
Mathematical Operations problems
Search Results
Correct Answer: 25 - 15 + 5 ÷ 4 x 16 = 21
Explanation:
Solve All option one by one.
After changing the Sign.
25 + 15 ÷ 5 x 4 - 16 = 21
Apply the BODMAS Rule,
? 25 + 3 x 4 - 16 = 21
? 25 + 12 - 16 = 21
? 37 - 16 = 21
? 21 = 21
Correct Answer: 53
Explanation:
Given Question is 18 Q 12 P 4 R 5 S 6
After changing the letters in to signs as per given in the question, we have
18 x 12 ÷ 4 + 5 - 6 ,
Apply the BODMAS Rule,
? 18 x 12/4 + 5 - 6
? 18 x 3 + 5 - 6
? 54 + 5 - 6
? 59 - 6 = 53
Correct Answer: - and ÷
Explanation:
Apply All option one by one
5 + 3 x 8 - 12 ÷ 4 = 3
Now, after changing the sign for option C
5 + 3 x 8 ÷ 12 - 4 = 3
Apply the BODMAS Rule
5 + 3 x 8/12 - 4 = 3
5 + 2 - 4 = 3
3 = 3
Correct Answer: 25
Explanation:
After replacing all the symbol from question.
44 x 9 ÷ 12 - 6 x 4 + 16 = ?
Apply BODMAS rule,
? 44 x 9 x 1/12 - 24 + 16 = ?
? 33 - 24 + 16 = ?
? 49 - 24 = ?
? ? = 25
Correct Answer: 6
Explanation:
Rules
(i) (2-digit even number) ÷ ( Even number)
(ii) (Even number) x (Prime number)
(iii) (Odd number) + (Odd number)
(iv) (3-digit number) - (2-digit perfect square number)
(v) (3-digit number) ÷ (2-digit non-perfect square number)
Solution
1st Row 24 7 81 ? 24 x 7 = 168 [rule (ii)]
? 168 - 81 = 87 [rule (iv)]
= x
2nd Row x 27 19 ? 87 27 19
? 87 + 27 = 114 [rule (iii)]
? 114 ÷ 19 = 6 [rule (v)]
? Resultant of second row = 6
Correct Answer: 27
Explanation:
Interchange the symbol as per given in question.
6 ÷ 8 + 2 x 5 - 8
After changing the sign
= 6 x 8 ÷ 2 - 5 + 8
Apply the BODMAS Rule.
= 6 x 4 - 5 + 8
= 24 - 5 + 8 = 32 - 5 = 27
Correct Answer: 3 ? 6 ? 2 ? 8 ? 4 ? 5
Explanation:
Given question is,
3 ? 6 ? 2 ? 8 ? 4 ? 5
Then, after placing of signs in given question,
3 + 6 - 2 x 8 ÷ 4 = 5
Apply the BODMAS Rule.
9 - 2 x 2 = 5
5 = 5
Correct Answer: = ÷ - +
Explanation:
Solve by using all option one by one.
Choosing option (C) and change the sign.
24 = 34 ÷ 2 - 5 + 12
Use BODMAS rule to solve the equation.
24 = 17 - 5 + 12
24 = 29 - 5
24 = 24
Correct Answer: + - =
Explanation:
Solve by using all option one by one.
Given equation is
24 * 16 * 8 * 32
Taking the sign of option (D),
? 24 + 16 - 8 = 32
Apply the BODMAS Rule in equation.
? 40 - 8 = 32 ? 32 = 32
Hence, correct group of sign is option (b).
Correct Answer: 5
Explanation:
? = 10 x 5 ÷ 3 - 2 + 3
= 10 ÷ 5 + 3 x 2 - 3 (by interchanging sign)
= 2 + 3 x 2 - 3
= 2 + 6 - 3 = 8 - 3 = 5
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