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Q:

A steamer moves with a speed of 4.5 km/h in still water to a certain upstream point and comes back to the starting point in a river which flows at 1.5 km/h. The average speed of steamer for the total journey is

A) 12 km/h B) 10 km/h
C) 6 km/h D) 4 km/h
 
Answer & Explanation Answer: D) 4 km/h

Explanation:

Speed of streamer = 4.5 km/hrSpeed of water = 1.5 km/hr

Downstream speed = 4.5+1.5 = 6 km/hr

Upstream speed = 4.5 -1.5 = 3 km/hr

Average Speed = (6 X 3) / 4.5 = 4km/hr

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

Q:

Choose the most appropriate answer:A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9 Km/h and the speed of the current is 3 Km/h, the distance between A and B is

A) 9 km B) 10 km
C) 11 km D) 12 km
 
Answer & Explanation Answer: D) 12 km

Explanation:

Speed of boat in still water = 9 km/hr

Speed of current = 3km/hr

Downstream speed = 9+3 = 12 km/hr

Upstream speed = 9-3 =6 km/hr

Let the distance between A to B be x km.

x/6 + x/12 = 3x + 2x = 36
3x = 36
x = 12 km

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

Q:

Which of the statements given below are correct?
A) Russia hosted the Golf 2017 Players Championship.
B) Elina Svitolina won the Tennis 2017 Italian Open Women's Singles.
C) Henri Kontinen and John Peers won the Tennis 2017 ATP World Tour Finals Men's Doubles

A) Only A B) Only B
C) Both A and B D) Both A and C
 
Answer & Explanation Answer: D) Both A and C

Explanation:
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Filed Under: Sports

Q:

Which among the following comes under the elements of Basic Structure of Indian constitution?

I. Supremacy of Constitution
II. Free and Fair Election
III. Judicial Review

A) Only I B) Only II
C) Both I and II D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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Filed Under: General Awareness

Q:

Choose the most appropriate answer:Mahatma Gandhi left South Africa to return to India in

A) 1911 B) 1915
C) 1917 D) 1919
 
Answer & Explanation Answer: B) 1915

Explanation:

Mahatma Gandhi left South Africa to return to India in 1915

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Filed Under: Indian History

Q:

What is the number of groups and periods in the modern periodic table?

A) 18, 7 B) 18, 8
C) 16, 7 D) 16, 8
 
Answer & Explanation Answer: A) 18, 7

Explanation:
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Filed Under: Chemistry

Q:

Which singer was in January 2018, chosen for the 5th Edition of Yash Chopra Memorial Award 2018 for her outstanding contribution to the Hindi filmindustry?

A) Alka Yagnik B) Asha Bhosle
C) Sunidhi Chauhan D) kavita Krishnamurthy
 
Answer & Explanation Answer: B) Asha Bhosle

Explanation:
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Filed Under: Honours and Awards

Q:

Which country on 23 October 2017 signed the Paris agreement on climate change, leaving the United States and Syria as the only two countries holding outto sign this global climate pact?

A) Nicaragua B) Colombia
C) Peru D) Uganda
 
Answer & Explanation Answer: A) Nicaragua

Explanation:
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Filed Under: Inventions