Mathematical Operation questions Practice Question and Answer
6 Q: By interchanging the given two signs which of the following equation will be correct?
÷ and +
554 0647865bdd0c6d8fd0853292b
647865bdd0c6d8fd0853292b÷ and +
- 18 + 4 × 5 ÷ 2 – 6 = 7false
- 216 + 8 × 2 ÷ 6 – 4 = 8false
- 318 + 2 × 6 ÷ 3 – 7 = 50true
- 411 + 8 × 16 ÷ 4 – 7 = 20false
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Answer : 3. "18 + 2 × 6 ÷ 3 – 7 = 50"
Q: In a certain language, if '+' means 'subtraction', '×' means 'division', '÷' means 'addition', and '–' means 'multiplication', then find the value of the following expression (BODMAS rule does not apply in that language).
8 ÷ 16 × 4 + 2 – 3
540 06458f0047f8252086629244e
6458f0047f8252086629244e8 ÷ 16 × 4 + 2 – 3
- 11false
- 212true
- 39false
- 45false
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Answer : 2. "12"
Q: Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
41 * 2 * 36 * 6 * 57 * 7 * 4 * 3
521 0645b47974d91510a5da3fa38
645b47974d91510a5da3fa3841 * 2 * 36 * 6 * 57 * 7 * 4 * 3
- 1+,−,=,×,−,÷,−false
- 2−,=,+,×,−,+,×false
- 3×,+,÷,−,=,×,+true
- 4−,+,×,−,=,+,×false
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Answer : 3. "×,+,÷,−,=,×,+"
Q: Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
62 * 17 * 6 * 81 * 23 * 2 * 37
509 06458e66c223d4c08a7eefa9f
6458e66c223d4c08a7eefa9f62 * 17 * 6 * 81 * 23 * 2 * 37
- 1+, =, ÷, −, +, ×false
- 2−, ×, =, −, +, ×false
- 3=, −, ×, +, −, +false
- 4+, ×, −, =, ×, +true
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Answer : 4. "+, ×, −, =, ×, +"
Q: Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
64 * 4 * 3 * 71 * 19 * 5 * 43
491 0644fa1c013eb5908ae2af0dc
644fa1c013eb5908ae2af0dc64 * 4 * 3 * 71 * 19 * 5 * 43
- 1−, +, ×, =, −, ×false
- 2+, =, ×, ÷, −, +false
- 3×, +, =, −, ×, −false
- 4÷, +, =, −, ×, +true
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Answer : 4. "÷, +, =, −, ×, +"
Q: If P denotes ‘×’, Q denotes ‘÷’, R denotes ‘+’ and S denotes ‘−’, then what will come in place of ‘?’ in the following equation?
(40 Q 4) P 5 R (3 P 6) S (7 P 8) R 21 =?
488 0646350f3c899b466f44b892d
646350f3c899b466f44b892d(40 Q 4) P 5 R (3 P 6) S (7 P 8) R 21 =?
- 133true
- 230false
- 340false
- 435false
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