Mathematical Operation questions Practice Question and Answer
6 Q: By interchanging the given two signs, which of the following equations will NOT be correct?
× and –
I. 17 – 21 + 86 ÷ 2 × 13 = 387
II. 10 + 63 – 12 × 259 ÷ 7 = 739
758 0642e785232185cce372317c1
642e785232185cce372317c1× and –
I. 17 – 21 + 86 ÷ 2 × 13 = 387
II. 10 + 63 – 12 × 259 ÷ 7 = 739
- 1Equation Ifalse
- 2Equation IItrue
- 3Neither I nor IIfalse
- 4Both I and IIfalse
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Answer : 2. "Equation II "
Q: After interchanging the given two digits 4 and 6, what will be the value of the following equation?
5 + 3 × 4 – 6 ÷ 2 = ?
736 0643932be1ce944a93ea211c4
643932be1ce944a93ea211c45 + 3 × 4 – 6 ÷ 2 = ?
- 115false
- 221true
- 341false
- 435false
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Answer : 2. "21 "
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
706 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
688 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
653 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 =?
650 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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