Maths Practice Question and Answer

Q:

A sum of ₹ 10,000 is lent partly at 8 % and remaining at 10% per annum. If the yearly interest on the average is 9.2 %, the two parts are 

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  • 1
    ₹ 5000, ₹ 5000
    Correct
    Wrong
  • 2
    ₹ 5500 , ₹ 4500
    Correct
    Wrong
  • 3
    ₹ 4000 , ₹ 6000
    Correct
    Wrong
  • 4
    ₹ 4500, ₹ 5500
    Correct
    Wrong
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Answer : 3. "₹ 4000 , ₹ 6000 "

Q:

Two cars travel from city A to city B at a speed of 36 and  48 km/hr respectively. If one  car takes 3 hours lesser time  than the other car for the journey, then  the distance between City A and  City B is

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  • 1
    518 km
    Correct
    Wrong
  • 2
    648 km
    Correct
    Wrong
  • 3
    432 km
    Correct
    Wrong
  • 4
    346 km
    Correct
    Wrong
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Answer : 3. "432 km"

Q:

What is the value of 42 -3+ 6– 52 + 82 + 72 +…………….922 – 91?

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  • 1
    4272
    Correct
    Wrong
  • 2
    4280
    Correct
    Wrong
  • 3
    4278
    Correct
    Wrong
  • 4
    4275
    Correct
    Wrong
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Answer : 4. "4275 "

Q:

The ratio of the sides of a triangle is 3: 4: a and the area of this triangle is 216 square cm. And the perimeter of this triangle is 72 cm. Then the value of a will be -

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

Q:

simplify the following equation
$$ (1-{1\over3})(1-{1\over4})(1-{1\over5})......(1-{1\over n})$$

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  • 1
    $$ 1\over{n}$$
    Correct
    Wrong
  • 2
    $$ 2\over{n}$$
    Correct
    Wrong
  • 3
    $$ 2(n-1)\over{n}$$
    Correct
    Wrong
  • 4
    $$ 2\over{n(n+1)}$$
    Correct
    Wrong
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Answer : 2. "$$ 2\over{n}$$"

Q:

ABCD is a trapezium in which AB is parallel to CD and AB = 4 ( CD ) . The diagonals of the trapezium intersects at O. what is the ratio of area of triangle DCO to the area of the triangle ABO ?

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

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Answer : 2. "306"

Q:

The largest and the second largest angles of a triangle are in the ratio of 3 : 2 respectively. The smallest angle is 20% of the sum of the rest two angles. What is the sum of the smallest and the second largest angles?

1213 0

  • 1
    80°
    Correct
    Wrong
  • 2
    60°
    Correct
    Wrong
  • 3
    100°
    Correct
    Wrong
  • 4
    90°
    Correct
    Wrong
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Answer : 4. " 90°"

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