Mathematical Operation questions Practice Question and Answer
8 Q: If ‘+’ means ‘×’, ‘-’ means ‘÷’, ‘×’ means ‘+’ and ‘÷’ means ‘-’ then what is the value of a given equation?
225 ÷ 5 + 96 – 3 × 31
885 06065a9a25815fc6501f8467f
6065a9a25815fc6501f8467f225 ÷ 5 + 96 – 3 × 31
- 1106false
- 2116false
- 386false
- 496true
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Answer : 4. "96"
Q: Which of the following interchange of numbers and mathematical signs would make the given equation correct?
30 ÷ 6 × 4 + 15−35 = 25
868 0647f1642f4063d472f2c7c79
647f1642f4063d472f2c7c7930 ÷ 6 × 4 + 15−35 = 25
- 125 and 30, × and−false
- 24 and 6, + and−false
- 325 and 35, × and ÷true
- 430 and 35, −and ÷false
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Answer : 3. "25 and 35, × and ÷"
Q: In the following question, by using which mathematical operator will the expression become correct?
18 ?6 ? 9 ? 27
861 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 ‘F’ means ‘+’ , ‘P’ means ‘x’, ‘T’ means ‘÷’ and ‘K’ means ‘-‘ then 40 T 8 F 16 P 4 K 13=?
861 060264b13272454043d90b0f0
60264b13272454043d90b0f0- 175false
- 256true
- 369false
- 478false
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Answer : 2. "56"
Q: In the following question, correct the equation by interchanging two signs.
9 x 3 + 8 ÷ 4 – 7 = 28
841 0605afe8cc5c99d2cb7f46737
605afe8cc5c99d2cb7f467379 x 3 + 8 ÷ 4 – 7 = 28
- 1x and –false
- 2+ and –false
- 3÷ and +false
- 4x and ÷true
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Answer : 4. "x and ÷"
Q: Which two signs and two numbers should be interchanged in the following equation to make it correct?
150 × 15 + 14 – 9 ÷ 2 =6
832 0647f1363772333474b967b41
647f1363772333474b967b41150 × 15 + 14 – 9 ÷ 2 =6
- 19, 2, −, ×false
- 29, 2, ÷, ×true
- 3150, 2, ÷, −false
- 415, 9, +, ÷false
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Answer : 2. "9, 2, ÷, ×"
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
827 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?
821 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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