Mathematical Operation questions Practice Question and Answer
8 Q: In the following question, by using which mathematical operator will the expression become correct?
18 ?6 ? 9 ? 27
1460 060659bba5815fc6501f80c22
60659bba5815fc6501f80c2218 ?6 ? 9 ? 27
- 1x, ÷ and =false
- 2÷, x and =true
- 3x, + and =false
- 4+, – and =false
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Answer : 2. "÷, x and ="
Q: By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 7 and 6
1449 064c8fa5c3fde307e3f4fd7f6
64c8fa5c3fde307e3f4fd7f6+ and –, 7 and 6
- 14 × 7 + 6 – 3 ÷ 1 = 20true
- 28 × 7 + 5 ÷ 1 – 6 = 17false
- 37 – 6 × 3 + 4 ÷ 1 = 8false
- 47 × 2 – 6 + 4 ÷ 2 = 13false
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Answer : 1. "4 × 7 + 6 – 3 ÷ 1 = 20"
Q: If ‘-’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’, which one of the following equations is correct?
1441 060b7270b84a0c2750055a401
60b7270b84a0c2750055a401- 16 + 20 – 12 ÷ 7 – 1 = 38false
- 26 – 20 ÷ 12 × 7 + 1 = 57false
- 36 + 20 – 12 ÷ 7 × 1 = 62false
- 46 ÷ 20 × 12 + 7 – 1 = 70true
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Answer : 4. "6 ÷ 20 × 12 + 7 – 1 = 70"
Q: By interchanging the given two signs and numbers which of the following equation will be not correct?
÷ and ×, 1 and 3
1441 064be6fb82dc867f59312c0f3
64be6fb82dc867f59312c0f3÷ and ×, 1 and 3
- 16 ÷ 3 – 1 + 4 × 2 = 5false
- 24 × 3 – 1 + 8 ÷ 2 = 9true
- 35 – 8 × 3 + 9 ÷ 1 = 24false
- 46 + 4 – 9 × 3 ÷ 1 = –17false
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Answer : 2. "4 × 3 – 1 + 8 ÷ 2 = 9"
Q: If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
3 ÷ 6 + 3 – 4 × 4 = ?
1427 064996f50dad6f2e01f6a3ef4
64996f50dad6f2e01f6a3ef43 ÷ 6 + 3 – 4 × 4 = ?
- 18false
- 25false
- 36true
- 44false
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Answer : 3. "6"
Q: Which of the mathematical signs should be interchanged in the given equation to make it mathematically correct?
31 ÷ 14 × 9 + 3 − 7 = 66
1418 0642120d19d18d2e8ae0e395e
642120d19d18d2e8ae0e395e- 1÷ and +true
- 2÷ and ×false
- 3− and ×false
- 4− and +false
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Answer : 1. "÷ and +"
Q: If ‘+’ means ‘divided by’ ‘-’ means ‘add’, ‘×’ means ‘minus’ and ‘/’ means ‘multiplied by’, what will be the value of the following expression?
[{(5 × 10) - (16/4)} + (15 - 9)]/0
1412 0624fe291ebff42398b9f6e47
624fe291ebff42398b9f6e47[{(5 × 10) - (16/4)} + (15 - 9)]/0
- 1120false
- 230false
- 3108false
- 40true
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Answer : 4. "0"
Q: If 49 @ 13 # 26= 98 and 57 # 13@ 247=3 then find the value of 46@23#3=?
1404 06244060b0c8d6f4df13df759
6244060b0c8d6f4df13df759- 16true
- 28false
- 312false
- 426false
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