प्रश्न और उत्तर का अभ्यास करें
8प्र: How many seconds will a 800 meter long train moving with a speed of 63 km/hr take to cross a man walking with a speed of 3 km/hr in the direction of the train ? 1538 05b5cc6dde4d2b4197774ea0f
5b5cc6dde4d2b4197774ea0f- 148true
- 252false
- 338false
- 442false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "48"
व्याख्या :
Answer: A) 48 Explanation: Here distance d = 800 mts speed s = 63 - 3 = 60 kmph = 60 x 5/18 m/s time t = 800x1860x5= 48 sec.
प्र: What percent is 120 of 85 ? 1680 05b5cc6dde4d2b4197774ea0a
5b5cc6dde4d2b4197774ea0a- 1133.33 %false
- 2141.17 %true
- 3145.54 %false
- 4139.29 %false
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उत्तर : 2. "141.17 %"
व्याख्या :
Answer: B) 141.17 % Explanation: Px85100=120 => p = 12000/85 = 141.17 %
प्र: A can complete a piece of work in 12 days and B is 60% more efficient than A. In how many days B will complete the same work ? 1132 05b5cc6dde4d2b4197774ea05
5b5cc6dde4d2b4197774ea05- 18.7 hrsfalse
- 25.2 hrsfalse
- 35 hrsfalse
- 47.5 hrstrue
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उत्तर : 4. "7.5 hrs"
व्याख्या :
Answer: D) 7.5 hrs Explanation: Ratio of times taken by A and B = 160 : 100A can do the work in 12 daysLet B can do the work in "D" days=> 160:100 = 12 : D=> D = 12 x 100/160 = 7.5 hrs
प्र: A Bus is running at 9/10 of its own speed reached a place in 22 hours. How much time could be saved if the bus would run at its own speed ? 1668 05b5cc6dde4d2b4197774ea00
5b5cc6dde4d2b4197774ea00- 11.5 hrsfalse
- 21.7 hrsfalse
- 32.2 hrstrue
- 43.5 hrsfalse
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उत्तर : 3. "2.2 hrs"
व्याख्या :
Answer: C) 2.2 hrs Explanation: Let the original Speed be "s" kmphAnd the usual time be "t" hrsGiven that if the bus is running at 9s/10 kmph the time is 22 hrs=> [9s/10] x 22 = t x s=> 99/5 = t => t = 19.8 hrs Hence, if bus runs at its own speed, the time saved = 22 - 19.8 = 2.2 hrs.
प्र: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by ___________. 1503 05b5cc6dde4d2b4197774e9fb
5b5cc6dde4d2b4197774e9fb- 1Mehbooba Muftitrue
- 2Narendra Modifalse
- 3Nitin Gadkarifalse
- 4Pranab Mukherjeefalse
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उत्तर : 1. "Mehbooba Mufti"
व्याख्या :
Answer: A) Mehbooba Mufti Explanation: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by Chief Minister Mehbooba Mufti who hoped the facility would ease traffic congestion in and around Lal Chowk. The multi-level car park, located near the old KMD bus stand on Maulana Azad Road, has been set up at a cost of Rs 27.15 crore and has a capacity to hold 288 vehicles.
प्र: Orkut’s creator Buyukkokten has launched a new social network called ________, which is available on mobile only. 1562 05b5cc6dde4d2b4197774e9f6
5b5cc6dde4d2b4197774e9f6- 1Callerfalse
- 2Hellotrue
- 3Hifalse
- 4Hayfalse
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उत्तर : 2. "Hello"
व्याख्या :
Answer: B) Hello Explanation: Orkut’s creator Buyukkokten has launched a new social network called Hello, which is available on mobile only. The Hello.com app is available on Android and iOS in the following countries: US, Canada, Britain, France, Australia, Brazil, Ireland. Germany, Mexico and India are next on the list and the app should be available this month.
प्र: The Bhindawas Bird Sanctuary (BBS) is located in which state ? 1775 05b5cc6dde4d2b4197774e9f1
5b5cc6dde4d2b4197774e9f1- 1Madhya Pradeshfalse
- 2Biharfalse
- 3Odishafalse
- 4Haryanatrue
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उत्तर : 4. "Haryana"
व्याख्या :
Answer: D) Haryana Explanation: The Bhindawas Bird Sanctuary (BBS) is located in Jhajjar district, Haryana. It is home to many birds such as Blue Peafowl, Gray Francolin, Black Francolin, Shikra, Black Kite, Greater Coucal, White-throated Kingfisher, Coppersmith Barbet and Indian Roller. It is in news because the sanctuary will soon be developed as a beautiful tourist resort and the additional facilities to be provided to the tourists coming to this place would include arrangements for camping for night stay, beautification of the lake, and opening of dispensary for birds and the wild life.
प्र: Find the odd one in the given series ? 5-20-25, 10-40-50, 4-15-24, 25-100-125 1777 05b5cc6dde4d2b4197774e9ec
5b5cc6dde4d2b4197774e9ec- 14-15-24true
- 25-20-25false
- 310-40-50false
- 425-100-125false
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उत्तर : 1. "4-15-24"
व्याख्या :
Answer: A) 4-15-24 Explanation: In each term second two numbers are multiples of the first number. But in 4-15-24 15 is not multiple of 4.

