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Maths M.C.Q. [1 Marks Each]

Pie Charts · Jharkhand Board (JAC) STD 8 (Jharkhand - English Medium). 7 questions.

Questions

M.C.Q. [1 Marks Each]

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7 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Tick $(\checkmark)$ the correct answer in the following:
If in the pie chart representing the number of students opting for different streams of study out of a total strength of $1650$ students, the central angle of the sector representing arts students is $48^\circ $ then what is the number of students who opted for arts stream?
  • ✓
    $220$
  • B
    $240$
  • C
    $275$
  • D
    $320$
Answer
Correct option: A.
$220$
Let the required number of students be $x.$
Then we have:
$\Rightarrow\frac{\text{x}}{1650}\times48$
$\Rightarrow\text{x}=\Big(48\times\frac{\text{1650}}{360}\Big)$
$\Rightarrow\text{x}=220$
Hence, the number of students who opted for arts stream is $220.$
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MCQ 21 Mark
Tick $(\checkmark)$ the correct answer in the following: A man's monthly salary is $Rs. 2400$ and his monthly expenses on travel are $Rs. 250.$ The central angle of the sector representing travel expenses in the pie chart would be.
  • A
    $30^\circ$
  • ✓
    $37\frac{1}{2}^{\circ}$
  • C
    $45^\circ$
  • D
    $60^\circ$
Answer
Correct option: B.
$37\frac{1}{2}^{\circ}$
Central angle of the sector representing travel expenses
$=\Big(\frac{\text{value of expenses on travel}}{\text{monthly income}}\times360\Big)^\circ$
$=\Big(\frac{250}{2400}\times360\Big)^{\circ}$
$=37\frac{1}{2}^{\circ}$
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MCQ 31 Mark
Tick $(\checkmark)$ the correct answer in the following: If $35\%$ of the people residing in a locality are Sikhs then the central angle of the sector representing the Sikh community in the pie chart would be.
  • A
    $108^\circ$
  • B
    $115^\circ$
  • ✓
    $126^\circ $
  • D
    $135^\circ$
Answer
Correct option: C.
$126^\circ $
Central angle of the sector representing the sikh community $=\Big(\frac{\text{value(in%)of each community}}{\text{100}}\times360\Big)^\circ$
$=\Big(\frac{35}{100}\times360\Big)^{\circ}$
$=126^\circ$
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MCQ 41 Mark
In the pie chart representing the percentages of students having interest in reading various kinds of books, the central angle of the sector representing students reading novels is $81^{\circ}$ What is the percentage of students interested in reading novels?
  • A
    0.15
  • B
    0.18
  • ✓
    $22 \frac{1}{2}$%
  • D
    $27 \frac{1}{2}$%
Answer
Correct option: C.
$22 \frac{1}{2}$%
C
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MCQ 51 Mark
If in the pie chart representing the number of students opting for different streams of study out of a total strength of 1650 students, the central angle of the sector representing arts students is $48^{\circ}$ then what is the number of students who opted for arts stream?
  • ✓
    220
  • B
    240
  • C
    275
  • D
    320
Answer
Correct option: A.
220
A
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MCQ 61 Mark
If 35% of the people residing in a locality are Sikhs then the central angle of the sector representing the Sikh community in the pie chart would be
  • A
    $108^{\circ}$
  • B
    $115^{\circ}$
  • ✓
    $126^{\circ}$
  • D
    $135^{\circ}$
Answer
Correct option: C.
$126^{\circ}$
C
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MCQ 71 Mark
A man's monthly salary is ₹ 24000 and his monthly expenses on travel are ₹ 2500. The central angle of the sector representing travel expenses in the pie chart would be
  • A
    $30^{\circ}$
  • ✓
    $37 \frac{1}{2}^{\circ}$
  • C
    $45^{\circ}$
  • D
    $60^{\circ}$
Answer
Correct option: B.
$37 \frac{1}{2}^{\circ}$
B
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