Aptitude Practice Question and Answer

Q:

Sunil, Karim and Mohan are invested a certain amount in the ratio 1: 2: 3 and the ratio of investment at the end of year is 3 : 8: 18. Find the ratio of time for which they invested ?

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  • 1
    3:4:6
    Correct
    Wrong
  • 2
    4:5:6
    Correct
    Wrong
  • 3
    6:7:8
    Correct
    Wrong
  • 4
    7:8:9
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "3:4:6 "

Q:

If ax - 4y = -6 has a slope of -3 / 2. What is the value of a? 

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  • 1
    3
    Correct
    Wrong
  • 2
    -6
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    -3
    Correct
    Wrong
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Answer : 3. "6 "

Q:

The sides of a triangle are in the ratio of 7: 9 : 12. The difference between the lengths of largest and smallest sides is 15 cm . The length of the largest sides would be: 

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  • 1
    60 cm
    Correct
    Wrong
  • 2
    24 cm
    Correct
    Wrong
  • 3
    36 cm
    Correct
    Wrong
  • 4
    21cm
    Correct
    Wrong
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Answer : 3. "36 cm "

Q:

If one root of the equation $$ {Ax^2+Bx+C=0}$$ is two and a half times the others, then which of the following is True?

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  • 1
    $$ {7B^2=3CA}$$
    Correct
    Wrong
  • 2
    $$ {7B^2=4CA}$$
    Correct
    Wrong
  • 3
    $$ {7B^2=36CA}$$
    Correct
    Wrong
  • 4
    $$ {10B^2=49CA}$$
    Correct
    Wrong
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Answer : 4. "$$ {10B^2=49CA}$$"

Q:

In ∆ABC, AC = BC and ∠BAC = 40°. If BC is extended to D such that BC = CD, find out ∠ADC = ?

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  • 1
    45^0
    Correct
    Wrong
  • 2
    60^0
    Correct
    Wrong
  • 3
    40^0
    Correct
    Wrong
  • 4
    50^0
    Correct
    Wrong
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Answer : 4. "50^0"

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Answer : 3. "1,200"

Q:

The simple interest on an amount at the rate of 13.5 p.c.p.a. for 10 years is Rs. 765.45. What is the sum?

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  • 1
    Rs. 567
    Correct
    Wrong
  • 2
    Rs. 885.95
    Correct
    Wrong
  • 3
    Rs. 5670
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Rs. 567 "

Q:

The average age of four sisters is 7 years. If the age of the mother is include, the average is increased by 6 years. Then the age of the mother is

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  • 1
    40 years
    Correct
    Wrong
  • 2
    37 years
    Correct
    Wrong
  • 3
    34 years
    Correct
    Wrong
  • 4
    32 years
    Correct
    Wrong
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Answer : 2. "37 years"

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