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- Question
- Which of the following interchange of sing or numbers would make the given equation correct?
(18 ÷ 9) + 3 x 5 = 45
Options- A. x ÷
- B. + ÷
- C. 18 and 5
- D. 3 and 9
- Correct Answer
- + ÷
Explanation? (18 ÷ 9) + 3 x 5 = 45
? (18 + 9) ÷ 3 x 5 = 45 ? 27 ÷ 3 x 5 = 45 - 1. Which of the following interchange of number would make the given equation correct?
8 x 20 ÷ 3 + 9 - 5 = 38
Options- A. 3, 9
- B. 3, 8
- C. 8, 9
- D. 3, 5 Discuss
- 2. Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
8 * 6 * 96 * 2 = 0
Options- A. x ÷ -
- B. x - ÷
- C. - x ÷
- D. ÷ - x Discuss
- 3. Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
9 * 3 * 3 * 3 * 6
Options- A. ÷ x - =
- B. + - x =
- C. - + + =
- D. x + - = Discuss
- 4. Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
16 * 6 * 4 * 24
Options- A. ÷ = x
- B. x = ÷
- C. = ÷ ÷
- D. x ÷ = Discuss
- 5. In the following question, * stands for any of the mathematical signs at different places, which are given as choices under each question. Select the choice with the correct sequence of signs which when substituted makes the question as a correct equation.
24 * 4 * 5 * 4
Options- A. x + =
- B. = x +
- C. + x =
- D. = + x Discuss
- 6. Which of the following interchange of sing or numbers would make the given equation correct?
5 + 6 ÷ 3 - 12 x 2 = 17
Options- A. ÷ and x
- B. + and x
- C. + and ÷
- D. + and - Discuss
- 7. 15 8 21
p 3 27
If 'p' is the resultant of the first row, what will be the resultant of the second row?
Options- A. 58
- B. 76
- C. 27
- D. 82 Discuss
- 8. 12 64 17
20 m 16
If 'm' is the resultant of the first row, what will be the resultant of the second row?
Options- A. 69
- B. 85
- C. 101
- D. 121 Discuss
- 9. 85 17 35
16 19 r
If 'r' is the resultant of the first row, what will be the resultant of the second row?
Options- A. 175
- B. -5
- C. 75
- D. 210 Discuss
- 10. 24 15 3
d 6 15
If 'd' is the resultant of the first row, what will be the resultant of the second row?
Options- A. 37
- B. 8
- C. 22
- D. 29 Discuss
Mathematical Operations problems
Search Results
Correct Answer: 3, 5
Explanation:
? 8 x 20 ÷ 3 + 9 - 5 = 38 ? 8 x 20 ÷ 5 + 9 - 3 = 38
? 8 x 4 = 9 - 3 = 38 ? 32 + 9 - 3 = 38
Correct Answer: x - ÷
Explanation:
? 8 * 6 * 96 * 2 = 0
? 8 x 6 - 96 ÷ 2 = 0
? 48 - 48 = 0
Correct Answer: ÷ x - =
Explanation:
? 9 ÷ 3 x 3 - 3 = 6 ? 3 x 3 - 3 = 6
? 9 - 3 = 6 ? 6 = 6
Correct Answer: x ÷ =
Explanation:
Apply all option one by one
? 16 x 6 ÷ 4 = 24
? 96/4 = 24 ? 24 = 24
Correct Answer: = x +
Explanation:
From option (b),
24 = 4 x 5 + 4
? 24 = 20 + 4 ? 24 = 24
Correct Answer: ÷ and x
Explanation:
Apply all option one by one.
? 5 + 6 x 3 - 12 ÷ 2 = 17
? 5 + 18 - 6 = 17 ? 23 - 6 = 17
Correct Answer: 58
Explanation:
Rules
(i) (odd number) + (Composite odd number)
(ii) (Even number) + (Odd number)
(iii) (Even number) ? (Perfect square number), then (Perfect square number) - (Even number)
(iv) (Odd number) ÷ (Prime odd number)
(v) (Odd number) - (Even number)
1st Row 15 8 21 ? 15 - 8 = 7 [rule (v)]
? 7 + 21 = 28 [rule (i)]
2nd Row p 3 27 ? 28 3 27
? 28 + 3 = 31 [rule (ii)]
? 31 + 27 = 58 [rule (i)]
? Resultant of second row = 58
Correct Answer:
Explanation:
Rules
(i) (odd number) + (Composite odd number)
(ii) (Even number) + (Odd number)
(iii) (Even number) ? (Perfect square number), then (Perfect square number) - (Even number)
(iv) (Odd number) ÷ (Prime odd number)
(v) (Odd number) - (Even number)
1st Row 12 64 17 ? 64 - 12 = 52 [rule (iii)]
? 52 + 17 = 69 [rule (ii)]
= m
2nd Row 20 m 16 ? 20 69 16
? 20 + 69 = 89 [rule (ii)]
? 89 - 16 = 73 [rule (v)]
? Resultant of second row = 73
Correct Answer: -5
Explanation:
Rules
(i) (odd number) + (Composite odd number)
(ii) (Even number) + (Odd number)
(iii) (Even number) ? (Perfect square number), then (Perfect square number) - (Even number)
(iv) (Odd number) ÷ (Prime odd number)
(v) (Odd number) - (Even number)
Solution
1st Row 85 17 35 ? 85 ÷ 17 = 5 [rule (iv)]
? 5 + 35 = 40 [rule (i)]
= r
2nd Row 16 19 r ? 16 19 40
? 16 + 19 = 35 [rule (ii)]
? 35 - 40 = -5 [rule (v)]
? Resultant of second row = -5
Correct Answer: 22
Explanation:
Rules
(i) (odd number) + (Composite odd number)
(ii) (Even number) + (Odd number)
(iii) (Even number) ? (Perfect square number), then (Perfect square number) - (Even number)
(iv) (Odd number) ÷ (Prime odd number)
(v) (Odd number) - (Even number)
Solution
1st Row 24 15 3 ? 24 + 15 = 39 [rule (ii)]
? 39 ÷ 3 = 13 [rule (iv)]
= d
2nd Row d 6 15 ? 13 6 15
? 13 - 6 = 7 [rule (v)]
? 7 + 15 = 22 [rule (i)]
? Resultant of second row = 22
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