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Q:

Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern ?

A) 85 min B) 95 min
C) 105 min D) 100 min
 
Answer & Explanation Answer: D) 100 min

Explanation:

Work done by the third pipe in 1 min = 1/50 - (1/60 + 1/75) = - 1/100.
[-ve sign means emptying]

The third pipe alone can empty the cistern in 100 min.

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Filed Under: Pipes and Cistern
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

Q:

Which state in India is set to become the first state to invite all Twitter and Facebook users to interact with the Chief Minister and contribute towards improving various services  ?

A) Chattisgarh B) Punjab
C) Karnataka D) Haryana
 
Answer & Explanation Answer: D) Haryana

Explanation:

Haryana is poised to become the first state to invite all Twitter and Facebook users to interact with the Chief Minister Manohar Lal and contribute towards further improving various services being provided by different departments.

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Filed Under: Famous Places
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

Q:

Which country has become the first country to open honorary consulate office in Gujarat International Finance Tec-City (GIFT City) ? 

A) France B) Portugal
C) Spain D) Belgium
 
Answer & Explanation Answer: D) Belgium

Explanation:

Belgium has become the first country to open an honorary consulate office in Gujarat International Finance Tec-City (GIFT City).

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
Job Role: Bank PO

Q:

A boatman can row 96 km downstream in 8 hr. If the speed of the current is 4 km/hr, then find in what time he will be able to cover 8 km upstream ?

A) 1.5 hrs B) 1 hrs
C) 2.5 hrs D) 2 hrs
 
Answer & Explanation Answer: D) 2 hrs

Explanation:

Speed in downstream = 96/8 = 12 kmph

Speed of current = 4 km/hr

Speed of the boatman in still water = 12 – 4 = 8 kmph

Speed in upstream = 8 – 4 = 4 kmph

Time taken to cover 8 km upstream = 8/4 = 2 hours.

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Filed Under: Boats and Streams
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

Q:

Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5% ?

A) Rs. 500 B) Rs. 245
C) Rs. 1250 D) Rs. 635
 
Answer & Explanation Answer: A) Rs. 500

Explanation:

(kx5x1)/100 + [(1500 - k)x6x1]/100 = 85

5k/100 + 90 – 6k/100 = 85

k/100 = 5

=> k = 500

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

Q:

Who started the Saka Era which is still used by the Government of India ?

A) Asoka B) Samudra Gupta
C) Vikramaditya D) Kanishka
 
Answer & Explanation Answer: D) Kanishka

Explanation:
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Filed Under: Indian History
Exam Prep: Bank Exams

Q:

The least number of four digits which is divisible by 4, 6, 8 and 10 is ?

A) 1107 B) 1080
C) 1100 D) 1208
 
Answer & Explanation Answer: B) 1080

Explanation:

LCM of 4, 6, 8 and 10 = 120
120) 1000 (8
960
------
40

The least number of four digits which is divisible by 4, 6, 8 and 10 => 1000 + 120 - 40 = 1080.

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Filed Under: Problems on Numbers
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

India’s first and longest sea ropeway will be built between which places, as announced on 24 April 2017  ?

A) Mumbai & Elephanta Island B) Vizag & Andaman
C) Goa & Andaman D) None
 
Answer & Explanation Answer: A) Mumbai & Elephanta Island

Explanation:

India’s first and longest ropeway to connect Mumbai with the famous Elephanta Island in the Arabian Sea is planned to be constructed by the Mumbai Port Trust, according to the official report.

 The 8-km ropeway will begin from Sewri in Mumbai’s east coast and end at Raigad district’s Elephanta Island, globally renowned for Elephanta Caves, a UNESCO World Heritage site.

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Filed Under: Longest, Shortest, Deepest
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk