Practice Question and Answer

Q:

Find the number of triangles in the given figure.

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  • 1
    32
    Correct
    Wrong
  • 2
    28
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 2. "28"

Q:

The producers formed by the combustion of magnesium are -

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  • 1
    is acidic
    Correct
    Wrong
  • 2
    is indifferent
    Correct
    Wrong
  • 3
    alkaline
    Correct
    Wrong
  • 4
    all
    Correct
    Wrong
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Answer : 3. "alkaline"
Explanation :

Therefore, the correct option is (C) Magnesium ribbon on burning in air produces: 'Magnesium oxide, heat and light'.

Q:

Two bikers A and B start and ride at 75 km/hr and 60 km/hr respectively towards each other. They meet after 20 minutes. How far (in km) were they from each other when they started?

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  • 1
    60 km
    Correct
    Wrong
  • 2
    55 km
    Correct
    Wrong
  • 3
    45 km
    Correct
    Wrong
  • 4
    50 km
    Correct
    Wrong
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Answer : 3. "45 km"

Q: Both skin and lung cancer are classified as carcinomas. 2234 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
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Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: Carcinomas are cancers that begin in tissues lining the inner or outer surfaces of the body where the DNA of the cells become damaged. Lung cancer and one type of skin cancer (squamous-cell carcinoma) are carcinomas.   Hence, the given statement is TRUE.

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Answer : 2. "Only a follows"
Explanation :

Answer: B) Only a follows Explanation: The proper nourishment will make the monkeys or human beings work properly. So, the course of action I follows. Course of action II does not follow as there is no information about captive or wild monkeys.

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Answer : 3. "Only conclusion I follows "

Q: A and B started a business investing the money in ratio 4:6, after 6 months B withdraw his investment and C joins him with twice the amount of B. At the end of the year total profit is Rs.3315. Find share of C ? 2233 0

  • 1
    Rs. 450
    Correct
    Wrong
  • 2
    Rs. 1020
    Correct
    Wrong
  • 3
    Rs. 765
    Correct
    Wrong
  • 4
    Rs. 1530
    Correct
    Wrong
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Answer : 4. "Rs. 1530"
Explanation :

Answer: D) Rs. 1530 Explanation: Ratio of investments of A, B & C => Share of C = 1530 Share of B = 765 Share of A = 1020

Q:

A cyclist cycles 8 km at 15 km/hr and a further 4 km at 20 km/hr. Find the average speed in km/hr. 

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  • 1
    16.8
    Correct
    Wrong
  • 2
    16.36
    Correct
    Wrong
  • 3
    15.71
    Correct
    Wrong
  • 4
    17.50
    Correct
    Wrong
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Answer : 2. "16.36 "

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