Maths Practice Question and Answer

Q:

Adding 335 to 5A7 results in 8B2. The number 8B2 is divisible by 3. Accordingly, what will be the maximum possible value of A?

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

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Answer : 3. "1993 "

Q:

The ratio of ages of Jai and Joy is 5:2. The sum of their ages is 63. After 9 years what will be the ratio of their ages?

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

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Answer : 4. "D"

Q:

If books bought at prices from ₹150 to ₹ 300 are sold at prices ranging from ₹ 250 to  ₹350, what is the greatest possible profit that might be made in selling 15 books ?

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  • 1
    ₹ 750
    Correct
    Wrong
  • 2
    ₹ 4,250
    Correct
    Wrong
  • 3
    ₹ 3,000
    Correct
    Wrong
  • 4
    Cannot be determined
    Correct
    Wrong
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Answer : 3. "₹ 3,000"
Explanation :

Q:

If △ABC is right angled at B, AB = 12 cm and ∠CAB = 60°, determine the length of BC.

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  • 1
    $$24\sqrt { 2} \ cm$$
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    $$12\sqrt { 2} \ cm$$
    Correct
    Wrong
  • 4
    $$12\sqrt { 3} \ cm$$
    Correct
    Wrong
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Answer : 4. "$$12\sqrt { 3} \ cm$$"

Q:

The ratio of the sum of two numbers and their difference is 5:1. The ratio of the greater number to the smaller number is-

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

Q:

If the circumradius of an equilateral triangle be 10 cm, then the measure of its in-radius is

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  • 1
    5 cm.
    Correct
    Wrong
  • 2
    10 cm.
    Correct
    Wrong
  • 3
    20 cm.
    Correct
    Wrong
  • 4
    15 cm.
    Correct
    Wrong
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Answer : 1. "5 cm. "

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