Aptitude Practice Question and Answer

Q:

What are the roots of the quadratic equations?

  $$(x^2 + 3x - 154 = 0)$$

2750 0

  • 1
    11, 14
    Correct
    Wrong
  • 2
    11, -14
    Correct
    Wrong
  • 3
    14, -11
    Correct
    Wrong
  • 4
    14, -22
    Correct
    Wrong
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Answer : 2. "11, -14"

Q:

Find the greatest number which will exactly divide 200 and 320. 

2747 0

  • 1
    10
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 4. "40"

Q:

A sum of money is invested at 20 % compound interest (compounded annually). It would fetch 723 more if interest is compound half-yearly. The sum is –

2747 0

  • 1
    ₹ 20,000
    Correct
    Wrong
  • 2
    ₹ 7,500
    Correct
    Wrong
  • 3
    ₹ 72,300
    Correct
    Wrong
  • 4
    ₹ 30,000
    Correct
    Wrong
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Answer : 3. "₹ 72,300 "

Q: A shopkeeper earns a profit equal to the cost price of 15 meter by selling 45 meter cloth. Find the profit percent? 2746 0

  • 1
    33%
    Correct
    Wrong
  • 2
    30%
    Correct
    Wrong
  • 3
    $$ 33 {1 \over 3} $$
    Correct
    Wrong
  • 4
    55%
    Correct
    Wrong
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Answer : 3. "$$ 33 {1 \over 3} $$"

Q:

The respective ratio of, the present age of a mother and daughter is 7 : 1. Four years ago the respective ratio of their age was 19 : 1. What will be the mother’s age four years from now? 

2744 0

  • 1
    42 years
    Correct
    Wrong
  • 2
    38 years
    Correct
    Wrong
  • 3
    46 years
    Correct
    Wrong
  • 4
    36 years
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "46 years "

Q: The simple interest accrued on an amount of Rs 15,000 at the end of three year is Rs 2,250. What would be the compound interest accrued on the same amount at the same rate in the same period? 2744 0

  • 1
    Rs 8934.6784
    Correct
    Wrong
  • 2
    Rs 8017.5744
    Correct
    Wrong
  • 3
    Rs 7861.8754
    Correct
    Wrong
  • 4
    Cannot be determined
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 5. "None of these"

Q:

Directions: The bar graph, given here, shows the number of tickets sold by 6 students A, B, C, D, E and F during a fair. 

Total number of tickets sold by A, B and C is 

2743 0

  • 1
    45
    Correct
    Wrong
  • 2
    44
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "44 "

Q: Average height of 40 girls is 148 cm. Average of remaining number is 150 cm. What will be the average of total class if there are 50 girls in the class? 2740 0

  • 1
    148.8 cm
    Correct
    Wrong
  • 2
    149.2 cm
    Correct
    Wrong
  • 3
    148.4 cm
    Correct
    Wrong
  • 4
    144 cm
    Correct
    Wrong
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Answer : 3. "148.4 cm"
Explanation :

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