Maths Practice Question and Answer

Q:

What is the sum of two consecutive even numbers, the difference of whose square is 84? 

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  • 1
    42
    Correct
    Wrong
  • 2
    46
    Correct
    Wrong
  • 3
    38
    Correct
    Wrong
  • 4
    34
    Correct
    Wrong
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Answer : 1. "42 "

Q:

Directions:  In the following two equations questions numbered (I) and (II) are given. You have to solve both equations and
Give answer
(a) If x > y
(b) If x ≥ y
(c) If y > x
(d) If y ≥ x
(e) If x = y or no relation can be established

$$ {I.x^{2}=81}$$
$$ {II.(y-9)^{2}}=0$$

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  • 1
    (A)
    Correct
    Wrong
  • 2
    (B)
    Correct
    Wrong
  • 3
    (C)
    Correct
    Wrong
  • 4
    (D)
    Correct
    Wrong
  • 5
    (E)
    Correct
    Wrong
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Answer : 4. "(D)"

Q:

If in a triangle, the orthocenter lies on vertex, then the triangle is 

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  • 1
    Right angled
    Correct
    Wrong
  • 2
    Equilateral
    Correct
    Wrong
  • 3
    Acute angled
    Correct
    Wrong
  • 4
    Isosceles
    Correct
    Wrong
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Answer : 1. "Right angled "

Q:

The sum of money that will yield Rs. 60 as simple interest at the rate of 6% per annum in 5 years is-

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  • 1
    200
    Correct
    Wrong
  • 2
    225
    Correct
    Wrong
  • 3
    175
    Correct
    Wrong
  • 4
    300
    Correct
    Wrong
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Answer : 1. "200 "
Explanation :

Q:

The length, width and height of a cuboid are 18 cm, 24 cm, and 4 cm, respectively. The volume of the cube is equal to the volume of the given cuboid. The arm of the cube is:

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  • 1
    16 cm
    Correct
    Wrong
  • 2
    12 cm
    Correct
    Wrong
  • 3
    9 cm
    Correct
    Wrong
  • 4
    8 cm
    Correct
    Wrong
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Answer : 2. "12 cm"

Q:

Study the following graph carefully to answer the given questions

A is twice efficient as B and together they do the same work in as much time as T and V together. In how many days A can complete the work individually?

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

Q:

Two numbers are such that their difference, their sum and their product is in the ratio of 1: 7: 24. The product of numbers is

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  • 1
    24
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 3. "48"

Q:

A alone can complete a work in 6 days and B alone can complete the same work in 8 days. In how many both A and B together can complete the same work ?

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  • 1
    $$ {48\over 13}$$
    Correct
    Wrong
  • 2
    $$ {35\over 13}$$
    Correct
    Wrong
  • 3
    $$ {26\over 7}$$
    Correct
    Wrong
  • 4
    $$ {24\over 7}$$
    Correct
    Wrong
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Answer : 4. "$$ {24\over 7}$$"

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