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Computer Knowledge Questions And Answers Sample Test 9


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Computer Knowledge Test 9


You have scored 3 out of 10
You Scored:2
Total Questions:2
Attended Questions:2
Correct Answered:2
1. by the front (1) / door for all to see(2) / Our company name (3)/ was modestly displayed (4)





Six plays A, B, C, D, E and F are staged on six days of the week starting from Monday to Saturday. Play C is staged on Tuesday. Plays A, F and B are staged one after other in the same order. Play D is not staged on Monday or Wednesday.

2. Three of the following four form a group based on the days that they are staged. Which one of the option do not belong to that group



Explanation:

A ? Wed , B ? Fri , C ? Tue , D ? Sat , E ? Mon , F ? Thu Mon ? E , Tue ? C , Wed ? A , Thu ? F , Fri ? B , Sat ? D


3. Find the value of 0.18x0.18 + 1.18x1.18 - 2x0.2124 = ?



Explanation:

0.18x0.18 + 1.18x1.18 - 2 x 0.2124 = (0.18)^2+(1.18)^2 - 2 x (0.18) x (1.18) = (1.18 - 0.18)^2 =(1)^2=1 Formula reference : a^2 + b^2 - 2 x a x b = ( a - b )^2


4. The labelled price of a product is Rs. 7500. If it is sold at 20% discount and the dealer earns 25% profit, Find its cost price.



Explanation:

S.P of the product = (80/100) x 7500 = Rs. 6000 Proft = 25 % => C.P = (100/125) x 6000 = Rs. 4800


5. The product of two consecutive even numbers is 15128. Find the average of these two numbers.



Explanation:

We wil go from the option. We will eliminate 133 and 139, since their product will exceed 16900.

Now the tug of war is between 123 and 127.

Lets take 123, if 123 is the average then the consecutive even numbers will be 122 and 124.

Now, observe, 122 x 124 = ....8, that is the resulting number ends with 8.

Now you try for 127.

(HINT : The consecutive even number with 127 as average us 126 and 128)

The two numbers are 122 and 124. Average is 123.


6. 6, 12, 20, 30, ?



Explanation:

6 = (2 x 3), 12 =(3 x 4), 20 =(4 x 5), 30 =(5 x 6), => 6 x 7 = 42


7. Which of the following ministry has approved the setting up of District Level Advisory and Monitoring Committees?



Explanation:

Union Ministry of Urban Development has approved the setting up of District Level Advisory and Monitoring Committees.


8. Specialized programs that allow particular input or output devices to communicate with the rest of the computer system are called ____





9. Read each sentence to find out whether there is any error in it. The error, will be in one part of sentence. The option mentioned in that part will be your answer.





10. Read each sentence to find out whether there is any error in it. The error, will be in one part of sentence. The option mentioned in that part will be your answer.





11. The Union Cabinet has approved proposal of extending the deadline for implementing the UDAY scheme to which year?



Explanation:

The Union Cabinet has approved proposal of extending the deadline for implementing the Ujjwal Discom Assurance Yojana (UDAY) by a year to March 31, 2017.


If citizens can not have the right to commit suicide, they cannot be allowed to stay in an atmosphere full of smoke because that might cause certain chronic disease leading to their unnatural death. Thus, there should be a complete ban on smoking in all the public places across the country. The recent Supreme Court order banning smoking in public places is not restricted to a few metropolitan towns; it must be enforced in all the villages and cities. The three-page order contains certain statements of facts. ?Fundamental right guaranteed under Article 21, of the Constitution provides that none shall be deprived of his life without due process law. Than why a non-smoker should be afflicted by various diseases including lung cancer or of heart only because he is required to go to public places?? Some time back when the court ruled that suicide was unconstitutional and illegal, it had referred to Article 21, which says that State alone has the right to deprive a citizen of his life, but with due process of law. Thus inhaling of smoke by passive smokers has been equated with commission of suicide, an act prohibited under law. But when a person who makes an unsuccessful attempt to commit is liable to face criminal prosecution which man end in his conviction, a passive smoker, however, is immune from any penal action. If one is made to inhale smoke for no fault of his and also against his wishes, the perpetrator of offence of smoking gets away with a nominal fine for such a grave offence that costs the exchequer Rs. 13,500 crore annually in terms of loss of productivity. According to WHO report, smoking may kill seven million people annually. During the last half century, smoking killed more than 10 million people in the developing countries alone. The court also felt that the persons not indulging in smoking cannot be compelled to or subjected to passive smoking on account of acts of the smokers. The ban on smoking order is judicial intervention, and not an activism.

12. Opposite meaning of due





13. Cube root of (941192) = ?



Explanation:

98 x 98 x 98 = 941192


14. 999 x 99 x 9 = ?



Explanation:

890109


15. A shopkeeper sells a T.V set on discount of 10% of print price and gains 25%. If the print price was Rs. 20000, find the cost price.



Explanation:

Discount = 10%, S.P = (90/100) x 20000 = 18000 Gain = 25%, C.P = (100/125) x 18000 = 14400


16. The Government of India has announced a new CNG retrofitment scheme for the two-wheelers in which city?



Explanation:

The Government of India has announced a new CNG retrofitment scheme for the two-wheelers in Delhi 23 June 2016 .


17. 5, 12, 23, 38, ?



Explanation:

Given, 5, 12, 23, 38 , x 21 ? 5 = 7 , 23 ? 12 = 11 = 7 + 4, 38 ? 23 = 15 = 11 + 4 x ? 38 = 15 + 4 => x ? 38 = 19 => x = 19 + 38 = 57


18. President Pranab Mukherjee returned 3 bills for reconsideration of which state legislative assembly?



Explanation:

President Pranab Mukherjee in June 2016 returned 3 bills to Manipur Legislative Assembly for reconsideration.


19. Compiling creates a(n) _____ 





20. Read each sentence to find out whether there is any error in it. The error, will be in one part of sentence. The option mentioned in that part will be your answer.





21. Hardware that adds two numbers is _________





22. Find the value of 0.53x0.53 + 1.73x1.73 - 2x0.9169 = ?



Explanation:

0.53x0.53 + 1.73x1.73 - 2 x 0.9169 = (0.53)^2+(1.73)^2 - 2 x (0.53) x (1.73) = (1.73 - 0.53)^2 =(1.2)^2=1.44 Formula reference : a^2 + b^2 - 2 x a x b = ( a - b )^2


23. Even if a man is found ______________ by a court, he can ___________to a higher court





24. Find the sum of first 15 odd natural numbers.



Explanation:

Sum of first n odd natural numbers = n2

Sum of first 15 odd natural numbers = 152 = 225


25. What is sauce for the ________is sauce for the _____________





26. (0.2)2 / (0.008) = (0.2)? / (0.04)3 .



Explanation:

(0.2)2 / (0.2)3 = (0.2)x / (0.2)6 => (0.2)-1 = (0.2)x-6 => x-6 = -1 => x= 5


27. _______ my knowledge, Mr.Sinha has a prejudice __________ foreigners





28. Sunil reminded him __________his promise but he was quite in different to _____ Sunil said







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