Mathematical Operation questions Practice Question and Answer
8 Q: In the following question, correct the equation by interchanging two signs.
9 x 3 + 8 ÷ 4 – 7 = 28
800 0605afe8cc5c99d2cb7f46737
605afe8cc5c99d2cb7f467379 x 3 + 8 ÷ 4 – 7 = 28
- 1x and –false
- 2+ and –false
- 3÷ and +false
- 4x and ÷true
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- SingleChoice
Answer : 4. "x and ÷"
Q: In the following question, by using which mathematical operator will the expression become correct?
18 ?6 ? 9 ? 27
793 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: If the mathematical operators, ‘+’ and ‘×’ are interchanged, what will be the value of the equation 9÷ 5+10–23×2
793 060757e3d36363c0f94bd8f7c
60757e3d36363c0f94bd8f7c- 13false
- 22false
- 3–3true
- 4–5false
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Answer : 3. "–3"
Q: By interchanging the given two numbers (not digits), which of the following equations will be correct?
44 and 19
I. 203 + 44 – 27 × 19 ÷ 11 = 114
II. 9 × 572 ÷ 19 – 44 + 4 = 120
788 0640f29f4539cee0fcab7d779
640f29f4539cee0fcab7d779- 1Neither I nor IIfalse
- 2Only Itrue
- 3Only IIfalse
- 4Both I and IIfalse
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Answer : 2. "Only I "
Q: If ‘-’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’, which one of the following equations is correct?
776 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: A tree increases annually by 1/8th of its height. By how much will it increase after 2 years, if it stands today 64cm high?
735 062ea672eceafbe581b76cb66
62ea672eceafbe581b76cb66- 181 cmtrue
- 275cmfalse
- 374 cmfalse
- 472 cmfalse
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Answer : 1. " 81 cm "
Q: Which of the following interchanges in signs will make the given equation correct?
17- 15 x 5 = 250
734 062e7e7eb6f92bf0da7c49231
62e7e7eb6f92bf0da7c49231- 1= and xfalse
- 2+ and -false
- 3= and -false
- 4x and -true
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Answer : 4. "x and -"
Q: Which of the mathematical signs should be interchanged in the given equation to make it mathematically correct?
31 ÷ 14 × 9 + 3 − 7 = 66
730 0642120d19d18d2e8ae0e395e
642120d19d18d2e8ae0e395e- 1÷ and +true
- 2÷ and ×false
- 3− and ×false
- 4− and +false
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- SingleChoice