Practice Question and Answer

Q: Which of the following is a characteristic of all minerals? 1824 0

  • 1
    Crystalline solids
    Correct
    Wrong
  • 2
    Minerals are inorganic
    Correct
    Wrong
  • 3
    All minerals are formed in a natural process
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Common properties of Minerals are :   1. All minerals are formed in a natural process. 2. Minerals are inorganic 3. Minerals are crystalline solids. 4. Every mineral is an element or compound with a definite chemical composition.

Q: Is CST applicable on freight charges? 1823 0

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Answer :
Explanation :

CST is not payable on outward freight (if charged separately) and outward insurance if property in goods passes to buyer at the time of despatch.   It means that Sale price does not include Freight charges will not attract CST when shown separately in they Invoice. But goods & freight show in one invoice CST will attractive.

Q:

In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

He did not have few hopes when he contested the election. /No error  

1823 0

  • 1
    He did not have
    Correct
    Wrong
  • 2
    few hopes when he
    Correct
    Wrong
  • 3
    contested the election
    Correct
    Wrong
  • 4
    No error
    Correct
    Wrong
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Answer : 2. "few hopes when he "

Q:

The number of pairs of positive integers whose sum is 99 and HCF is 9 is: 

1823 0

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

Q:

In what ratio must a mixture of 30 % alcohol strength be mixed with that of 50 % alcohol strength so as to get a mixture of 45 % alcohol strength? 

1823 0

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

Q: A class has 8 football players. A 5-member team and a captain will be selected out of these 8 players. How many different selections can be made ? 1823 0

  • 1
    210
    Correct
    Wrong
  • 2
    168
    Correct
    Wrong
  • 3
    1260
    Correct
    Wrong
  • 4
    10!/6!
    Correct
    Wrong
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Answer : 2. "168"
Explanation :

Answer: B) 168 Explanation: we can select the 5 member team out of the 8 in 8C5 ways = 56 ways. The captain can be selected from amongst the remaining 3 players in 3 ways. Therefore, total ways the selection of 5 players and a captain can be made = 56x3 = 168 ways.   (or)   Alternatively, A team of 6 members has to be selected from the 8 players. This can be done in 8C6 or 28 ways. Now, the captain can be selected from these 6 players in 6 ways. Therefore, total ways the selection can be made is 28x6 = 168 ways.

Q:

The diameter of a wheel is 14 cm. How many rotations will it take to cover a distance of 44 kilometres?

1823 0

  • 1
    44,000
    Correct
    Wrong
  • 2
    88,000
    Correct
    Wrong
  • 3
    70,000
    Correct
    Wrong
  • 4
    100000
    Correct
    Wrong
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Answer : 4. "100000"

Q: 10 examples of computer hardware? 1823 0

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Answer :
Explanation :

A computer system consists of two major elements: hardware and software. Computer hardware is the collection of all the parts you can physically touch. Computer software, on the other hand, is not something you can touch. Software is a set of instructions for a computer to perform specific operations. You need both hardware and software for a computer system to work. 10 examples of computer hardware are :: 1. Monitor 2. Motherboard 3. CPU(Microprocessor)  4. Main memory(RAM) 5. Expansion cards  6. Power supply unit 7. Optical disc drive  8. Hard disk drive (HDD) 9. Keyboard 10. Mouse

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