Practice Question and Answer
8 Q: क्रमशः 2 सेमी, 3 सेमी और 4 सेमी व्यास के तीन नल हैं। उनके माध्यम से बहने वाले पानी का अनुपात उनके व्यास के वर्ग के अनुपात के बराबर होता है। सबसे बड़ा नल अकेले एक खाली टंकी को 81 मिनट में भर सकता है। यदि सभी नलों को एक साथ खोल दिया जाए, तो टंकी को भरने में कितना समय (मिनट में) लगेगा?
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: चावल के मूल्य में 25% प्रति किग्रा. की वृद्धि होने पर एक व्यक्ति 400 रू. में 20 किग्रा. कम चावल खरीद सकता है। चावल के मूल्य में हुयी वृद्धि क्या है?
2156 060376f859792c13b2858af01
60376f859792c13b2858af01- 16false
- 28false
- 35true
- 44false
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Answer : 3. "5"
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.
Q:निर्देश : नीचे दिया गया दण्ड-आलेख वर्ष 1993 में एक परिवार की आय का विभिन्न मदों पर व्यय एवं बचत को दर्शाता है। आलेख का ध्यानपूर्वक अवलोकन कीजिए तथा उत्तर दीजिए :
परिवार की बचत निम्नलिखित में से किस पर किए गए व्यय से अधिक है ?
2156 05def3f82806c5b05d54f26b3
5def3f82806c5b05d54f26b3
- 1housingtrue
- 2clothingfalse
- 3transportfalse
- 4othersfalse
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Answer : 1. "housing "
Q: Statement: Air export volumes have increased substantially over the past decade causing backlogs and difficulties for air cargo agents because of increased demand for space and service.Courses of action:a. Airlines and air cargo agents should jointly work out a solution to combat the problem.b. The reasons for the increase in the volume of air exports should be found out. 2156 05b5cc764e4d2b4197774fd94
5b5cc764e4d2b4197774fd94- 1Only a followstrue
- 2Both a and b followsfalse
- 3Only b followsfalse
- 4Neither a nor b followsfalse
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Answer : 1. "Only a follows"
Explanation :
Answer: A) Only a follows Explanation: The problem faced, by the airlines and cargo agents is the non availability of cargo space. Therefore, right course of action is to combat the problem.
Q: How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9 which are divisible by 5 and none of the digits is repeated ? 2155 05b5cc774e4d2b4197775000c
5b5cc774e4d2b4197775000c- 115false
- 220true
- 35false
- 410false
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Answer : 2. "20"
Explanation :
Answer: B) 20 Explanation: Since each number to be divisible by 5, we must have 5 0r 0 at the units place. But in given digits we have only 5. So, there is one way of doing it. Tens place can be filled by any of the remaining 5 numbers.So, there are 5 ways of filling the tens place. The hundreds place can now be filled by any of the remaining 4 digits. So, there are 4 ways of filling it. Required number of numbers = (1 x 5 x 4) = 20.