Mathematical Operation questions Practice Question and Answer
8 Q: If ‘F’ means ‘+’ , ‘P’ means ‘x’, ‘T’ means ‘÷’ and ‘K’ means ‘-‘ then 40 T 8 F 16 P 4 K 13=?
948 060264b13272454043d90b0f0
60264b13272454043d90b0f0- 175false
- 256true
- 369false
- 478false
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Answer : 2. "56"
Q: If ‘-’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’, which one of the following equations is correct?
940 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: Which of the following interchanges in signs will make the given equation correct?
17- 15 x 5 = 250
907 062e7e7eb6f92bf0da7c49231
62e7e7eb6f92bf0da7c49231- 1= and xfalse
- 2+ and -false
- 3= and -false
- 4x and -true
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Answer : 4. "x 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
895 0624fe291ebff42398b9f6e47
624fe291ebff42398b9f6e47[{(5 × 10) - (16/4)} + (15 - 9)]/0
- 1120false
- 230false
- 3108false
- 40true
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Answer : 4. "0"
Q: Which of the mathematical signs should be interchanged in the given equation to make it mathematically correct?
31 ÷ 14 × 9 + 3 − 7 = 66
878 0642120d19d18d2e8ae0e395e
642120d19d18d2e8ae0e395e- 1÷ and +true
- 2÷ and ×false
- 3− and ×false
- 4− and +false
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Answer : 1. "÷ and +"
Q: By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 7 and 6
865 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: By interchanging the given two signs and numbers which of the following equation will be not correct?
÷ and ×, 1 and 3
853 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: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
25 *5 * 10 * 2 * 4 * 10
808 06458e9347f825208662912d8
6458e9347f825208662912d825 *5 * 10 * 2 * 4 * 10
- 1÷, ×, +, –, =false
- 2×, ÷, –, +, =false
- 3+, –, ÷, ×, =true
- 4÷, ×, –, +, =false
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