Practice Question and Answer
8Q: Ratio of the ages of Mahesh and Nilesh is 5 : x. Mahesh is 18 years younger to Ramesh. After nine years Ramesh will be 47 years old. If the difference between the ages of Mahesh and Nilesh is same as the age of Ramesh, what is the value of x ? 3107 05b5cc6dce4d2b4197774e9bf
5b5cc6dce4d2b4197774e9bf- 111.8false
- 212.9false
- 313.7false
- 414.5true
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Answer : 4. "14.5"
Explanation :
Answer: D) 14.5 Explanation: Let the present ages of Mahesh, Nilesh and Ramesh be k, l and m respectively.k/l = 5/x ------ (1)k = m - 18 ------ (2)m + 9 = 47 ------ (3)k - l = m ----- (4)(3) => m = 47 - 9 = 38 years(2) => k = 38 -18 = 20 years(1) => 20/l = 5/x => l = 4x(4) => 4x - 20 = 38=> 4x = 58 => x = 14.5
Q: Which team won the 10th Indian Premier League trophy 2017 ? 1566 05b5cc6dce4d2b4197774e9ba
5b5cc6dce4d2b4197774e9ba- 1Mumbai Indianstrue
- 2Rising Pune Supergiantsfalse
- 3Kolkata Knight Ridersfalse
- 4Sunrisers Hyderabadfalse
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Answer : 1. "Mumbai Indians"
Explanation :
Answer: A) Mumbai Indians Explanation: In Cricket, Mumbai Indians lifted the 10th Indian Premier League trophy for the third time, as they recorded a scintillating 1-run win against Rising Pune Supergiant in the title clash at Hyderabad during final. Mumbai successfully defended a total of 129 and restricted Pune to 128/6 to lift their third IPL trophy. Krunal Pandya from Mumbai Indians was named the man of the match.
Q: What is the 2017 theme of International Day for Biodiversity (IDB) ? 1144 05b5cc6dce4d2b4197774e9b5
5b5cc6dce4d2b4197774e9b5- 1B) ? A)true
- 2? A) Biodiversity and Sustainable Tourism B) Invasive Alien Speciesfalse
- 3Biodiversity and Agriculturefalse
- 4Convention on Biological Diversityfalse
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Answer : 1. "B) ?
A)"
Explanation :
Answer: A) Biodiversity and Sustainable Tourism Explanation: The International Day for Biological Diversity (IDB) is observed every year on May 22 to increase understanding and awareness of biodiversity issues. The 2017 theme “Biodiversity and Sustainable Tourism” provides an opportunity to raise awareness and action towards the important contribution of sustainable tourism both to economic growth and to the conservation and sustainable use of biodiversity.
Q: Who won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides ? 1223 05b5cc6dce4d2b4197774e9b0
5b5cc6dce4d2b4197774e9b0- 1Shanmuga Sundaramfalse
- 2Prashant Ranganathantrue
- 3Suresh Kumarfalse
- 4Vijay Ragunathanfalse
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Answer : 2. "Prashant Ranganathan"
Explanation :
Answer: B) Prashant Ranganathan Explanation: An Indian boy has won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides. Prashant Ranganathan, a 12th grader from Jamshedpur, alongwith over 20 high school students from various parts of India, participated in the Intel International Science and Engineering Fair.
Q: A large tanker can be filled by two pipes A and B in 60 and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half ? 3254 05b5cc6dce4d2b4197774e9ab
5b5cc6dce4d2b4197774e9ab- 131 minfalse
- 229 minfalse
- 328 minfalse
- 430 mintrue
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Answer : 4. "30 min"
Explanation :
Answer: D) 30 min Explanation: Part filled by (A + B) in 1 minute = (1/60 + 1/40) = 1/24Suppose the tank is filled in x minutes.Then, x/2(1/24 + 1/40) = 1(x/2) * (1/15) = 1 => x = 30 min.
Q: k, l, m together started a business. k invested Rs.6000 for 5 months l invested Rs.3600 for 6 months and m Rs.7500 for 3 months. If they get a total profit of Rs.7410. Find the share of l ? 2937 05b5cc6dce4d2b4197774e9a6
5b5cc6dce4d2b4197774e9a6- 1Rs. 1640false
- 2Rs. 2500false
- 3Rs. 2160true
- 4Rs. 3000false
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Answer : 3. "Rs. 2160"
Explanation :
Answer: C) Rs. 2160 Explanation: => 60x5 : 36x6 : 75x3 => 100 : 72 : 75 => 72/247 x 7410 = Rs. 2160
Q: The salary of Mr. X is 30% more than that of Mr. Y . Find what percent of Mr. Y’s salary is less than Mr. X’s ? 3550 05b5cc6dce4d2b4197774e9a1
5b5cc6dce4d2b4197774e9a1- 124%false
- 223 1/3%true
- 325 1/2%false
- 422 8/9 %false
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Answer : 2. "23 1/3%"
Explanation :
Answer: B) 23 1/3% Explanation: y=100 x=130 130---------30100---------? => 23 1/3%
Q: A train 900 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is ? 1268 05b5cc6dce4d2b4197774e99c
5b5cc6dce4d2b4197774e99c- 1400 mtrue
- 2300 mfalse
- 3500 mfalse
- 4600 mfalse
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Answer : 1. "400 m"
Explanation :
Answer: A) 400 m Explanation: Speed = 78 x 5/18 = 65/3 m/sec.Time = 1 min = 60 sec.Let the length of the train be x meters.Then, (900 + x)/60 = 65/3x = 400 m.