Maths Practice Question and Answer

Q:

Directions: Degree- wise breakup of employees working in various department of an organisation and the ratio to men to women.

Respective ratio of men to women in each department

What is the total number of women working in the organisation?

1169 0

  • 1
    2450
    Correct
    Wrong
  • 2
    2830
    Correct
    Wrong
  • 3
    2520
    Correct
    Wrong
  • 4
    2480
    Correct
    Wrong
  • 5
    3320
    Correct
    Wrong
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Answer : 2. "2830"

Q:

Radius of a circle is 5 cm. Length of chord AB in this circle is 6 cm. What is the distance of this chord from the centre of the circle?

1169 0

  • 1
    5 cm
    Correct
    Wrong
  • 2
    4 cm
    Correct
    Wrong
  • 3
    6 cm
    Correct
    Wrong
  • 4
    8 cm
    Correct
    Wrong
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Answer : 2. "4 cm "

Q:

A school has 45% girls. If 80% of girls score more than 75% marks and 70% of the boys have score more than 75% marks. If a student is selected at random and is found to have more than 75% marks, find the probability of it being a boy.

1168 0

  • 1
    77/149
    Correct
    Wrong
  • 2
    75/149
    Correct
    Wrong
  • 3
    Cannot be determined
    Correct
    Wrong
  • 4
    11/20
    Correct
    Wrong
  • 5
    9/20
    Correct
    Wrong
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Answer : 1. "77/149"

Q:

A dishonest dealer sells the goods at 7% loss on cost price but uses 18% less weight. What is his percentage of profit? (Correct to 2 decimal places)

1168 0

  • 1
    25.65%
    Correct
    Wrong
  • 2
    12.82%
    Correct
    Wrong
  • 3
    13.41%
    Correct
    Wrong
  • 4
    28.75%
    Correct
    Wrong
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Answer : 3. "13.41%"

Q:

if $$ sinA= {4\over 5}$$, then what is the value of $$sin^2A$$

1168 0

  • 1
    $$16\over 25$$
    Correct
    Wrong
  • 2
    $$26\over 25$$
    Correct
    Wrong
  • 3
    $$48\over 25$$
    Correct
    Wrong
  • 4
    $$36\over 25$$
    Correct
    Wrong
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Answer : 1. "$$16\over 25$$"

Q:

Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

{(540.34)/(17.99)} ÷ {(29.99)/(449.89)} × {1/(89.78)} = ?

1168 0

  • 1
    45
    Correct
    Wrong
  • 2
    90
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
  • 5
    15
    Correct
    Wrong
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Answer : 3. "5"

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Answer : 2. "320"

Q:

Directions: The following questions are accompanied by three statements (A) or (I), (B) or (II), and (C) or (III). You have to determine which statement(s) is/are sufficient/necessary to answer the questions.

Find the number of days in which Q can do a job if P can do the same job in 8 days.
A. Q is 60% more efficient than P.
B. P and Q together can do the job in 3days.
C. P is 37 %less efficient than Q.

1168 0

  • 1
    Only A is sufficient
    Correct
    Wrong
  • 2
    Only B is sufficient
    Correct
    Wrong
  • 3
    Either A or B is sufficient
    Correct
    Wrong
  • 4
    Any of them
    Correct
    Wrong
  • 5
    A and C together are sufficient
    Correct
    Wrong
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Answer : 4. "Any of them "

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