IIT JEE Practice Question and Answer
8Q: One-third of the boys and one-half of the girls of a college participated in a sport. If the number of participating students is 300, out of which 100 are boys. What is the total number of students in the college ? 1151 05b5cc6c3e4d2b4197774dc8b
5b5cc6c3e4d2b4197774dc8b- 1550false
- 2575false
- 3625false
- 4700true
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Answer : 4. "700"
Explanation :
Answer: D) 700 Explanation: Let number of boys = B Number of girls = G From the given data, 1B/3 + 1G/2 = 300 But given B/3 = 100 => B = 300 G/2 = 300 - 100 G = 200 x 2 => G = 400 Therefore, total number of students in the college = B + G = 700.
Q: 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it ? 1150 05b5cc6dfe4d2b4197774eb02
5b5cc6dfe4d2b4197774eb02- 140 daystrue
- 236 daysfalse
- 332 daysfalse
- 434 daysfalse
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Answer : 1. "40 days"
Explanation :
Answer: A) 40 days Explanation: Let 1 man's 1 day work = x and 1 woman's 1 day work = y.Then, 4x + 6y = 1/8 and 3x + 7y = 1/10Solving these two equations, we get:x = 11/400 and y = 1/40010 woman's 1 day work = (1/400 x 10) = 1/40. Hence, 10 women will complete the work in 40 days.
Q: Israel’s Rafael Defense Systems ltd has formed a joint venture with ________ to produce anti-tank guided missiles for the Indian armed forces. 1147 05b5cc6cce4d2b4197774e181
5b5cc6cce4d2b4197774e181- 1Goa Shipyardfalse
- 2Hindustan Aeronautics Limitedfalse
- 3Kalyani Grouptrue
- 4Hindustan Aeronautics Limitedfalse
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Answer : 3. "Kalyani Group"
Explanation :
Answer: C) Kalyani Group Explanation:
Q: In a slip test, K got the 15th rank and he was 44th from the bottom of the list of passed students. 4 students did not take up the slip test and 3 students were failed. What is the total strenght of the class ? 1147 05b5cc6cee4d2b4197774e241
5b5cc6cee4d2b4197774e241- 163false
- 262false
- 364false
- 465true
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Answer : 4. "65"
Explanation :
Answer: D) 65 Explanation: Total strength of the class is given by 15 + 44 + 4 + 3 - 1 = 65
Q: Which is in India wins Pierre L'Enfant International Planning Excellence Award 2017 ? 1146 05b5cc6e5e4d2b4197774ed4c
5b5cc6e5e4d2b4197774ed4c- 1Banglorefalse
- 2Hyderabadfalse
- 3Bhubaneshwartrue
- 4Delhifalse
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Answer : 3. "Bhubaneshwar"
Explanation :
Answer: C) Bhubaneshwar Explanation: The American Planning Association (APA) has announced this year's international excellence award for the Bhubaneswar smart city project. The award called Pierre L'Enfant International Planning Excellence Award 2017 will be given on May 8 in New York city. This is the first time in the 50 years history of APA's annual award programme that an Indian city has been recognised for its planning efforts.
Q: The edge of three cubes of metal is 3 m, 4 m and 5 m. They are melted and formed into a single cube. Find the edge of the new cube ? 1146 05b5cc6e7e4d2b4197774eda1
5b5cc6e7e4d2b4197774eda1- 115 mfalse
- 24 mfalse
- 36 mtrue
- 49 mfalse
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Answer : 3. "6 m"
Explanation :
Answer: C) 6 m Explanation: The edge of the new cube is = 33+43+53 = a3 => a = 6 m.
Q: 'International Plastic Bag Free Day' is observed on which date ? 1145 05b5cc6d2e4d2b4197774e438
5b5cc6d2e4d2b4197774e438- 13 Julytrue
- 24 Julyfalse
- 36 Julyfalse
- 45 Julyfalse
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Answer : 1. "3 July"
Explanation :
Answer: A) 3 July Explanation: International Plastic Bag Free Day was observed on 3rd of July 2017. It has been dedicated to heightening awareness about plastic and disposable carrying devices. International Plastic Bag Free Day gives us an opportunity to remind ourselves, and others, that every action we take, and every bag we dispose of effects the lives of everyone in the world for generations to come.
Q: You will always find me in the past. I can be created in the present, But the future can never taint me. What am I? 1145 05b5cc639e4d2b4197774baab
5b5cc639e4d2b4197774baab- Show AnswerHide Answer
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Answer :
Explanation :
I am History. Yes, history refers to all the past, but we can create history in the presentand it cannot be polluted in the future.

