Practice Question and Answer
8 Q: There are three taps of diameter 2 cm, 3 cm and 4 cm, respectively. The ratio of the water flowing through them is equal to the ratio of the square of their diameters. The biggest tap can fill an empty tank alone in 81 min. If all the taps are opened simultaneously, then how long will the tank take (in min) to be filled?
2156 06492d25edad6f2e01f55c223
6492d25edad6f2e01f55c223- 1$$34{20\over 29}$$false
- 2$$64{20\over 29}$$false
- 3$$54{20\over 29}$$false
- 4$$44{20\over 29}$$true
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Answer : 4. "$$44{20\over 29}$$"
Q:The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
It was / the very well-directed film / and we enjoyed it.
2156 06482f641a33e0f47b779a3b0
6482f641a33e0f47b779a3b0- 1No errorfalse
- 2the very well-directed filmtrue
- 3and we enjoyed itfalse
- 4It wasfalse
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Answer : 2. "the very well-directed film"
Explanation :
The correct phrasing should be "It was a very well-directed film, and we enjoyed it." The article "a" is needed before "very well-directed film."
Q: A serial port is_____
2156 05ee86707109b5d6e015e5b7a
5ee86707109b5d6e015e5b7a- 1Only transfer information from a hard drive.false
- 2Only transfer information to a hard drive.false
- 3Transfer information both to and from a hard drive.true
- 4Neither transfer information from nor to a hard drive.false
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Answer : 3. "Transfer information both to and from a hard drive."
Q:Directions: The bar graph given below shows the spending of family income on various items and savings during 1993. Observe the graph and answer the following questions:
The savings of the family is more than that of expenditure incurred on:
2156 05def3f82806c5b05d54f26b3
5def3f82806c5b05d54f26b3- 1housingtrue
- 2clothingfalse
- 3transportfalse
- 4othersfalse
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Answer : 1. "housing "
Q: Find the number of rectangles in the below figure?
2156 05fe1efc492210049c5b25cdc
5fe1efc492210049c5b25cdc- 120false
- 218false
- 328false
- 4more than 29true
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Answer : 4. "more than 29"
Explanation :
Total number of rectangles = 18 + 12(combination of rectangles[(2,4,6),(2,4,6,8),(4,6,8),(1,3,5),(1,3,5,7),(3,5,7),(9,10),(10,11),(11,12),(9,10,11),(9,10,11,12),(10,11,12)]) = 30
Q: The founder of “BHARATIYA JAN SANGH” was-
2156 16171a5917714ed6f9fa440f0
6171a5917714ed6f9fa440f0- 1Atal Bihari Vajpayeefalse
- 2C. Rajagopalacharifalse
- 3Deen Dayal Upadhyayfalse
- 4Dr. Shyama Prasad Mukherjeetrue
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Answer : 4. " Dr. Shyama Prasad Mukherjee "
Q: A jogger running at 9 kmph alongside a railway track is 240 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger ? 2156 05b5cc6dee4d2b4197774ea5b
5b5cc6dee4d2b4197774ea5b- 110 secfalse
- 248 secfalse
- 336 sectrue
- 456 secfalse
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Answer : 3. "36 sec"
Explanation :
Answer: C) 36 sec Explanation: Given speed of jogger = 9 kmph Speed of train = 45 kmphAs they are in same direction, Relative speed = 45 - 9 = 36 kmph = 36x5/18 = 10 m/sDistance = 240 + 120 = 360 mts Time = distance/speed = 360/10 = 36 sec.
Q: Find the odd one out of the group ? 2156 05b5cc6e1e4d2b4197774ebca
5b5cc6e1e4d2b4197774ebca- 1708false
- 2392true
- 3618false
- 4816false
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Answer : 2. "392"
Explanation :
Answer: B) 392 Explanation: The sum of the digits in 708, 618 and 816 is 15, but not in 392.