Exams


Q:

A can do a work in 9 days, B can do a work in 7 days, C can do a work in 5 days. A works on the first day, B works on the second day and C on the third day respectively that is they work on alternate days. When will they finish the work ?

A) [7 + (215/345)] days B) [6 + (11/215)] days
C) [6 + (261/315)] days D) [5 + (112/351)] days
 
Answer & Explanation Answer: C) [6 + (261/315)] days

Explanation:

After day 1, A finishes 1/9 of the work.

After day 2, B finishes 1/7 more of the total work. (1/9) + (1/7) is finished.

After day 3, C finishes 1/5 more of total work. Total finished is 143/315.

So, after day 6, total work finished is 286/315.

 

Now remaining work =  29 /315

 

On day 7, A will work again 

 

Work will be completed on day 7 when A is working. He must finish 29/315 of total remaining work.

 

Since he takes 9 days to finish the total task, he will need 261/315 of the day. 

 

Total days required is 6 + (261/315) days.

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Filed Under: Time and Work
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6 7202
Q:

Which value is equal to 5% of 1,500?

A) 35 B) 55
C) 75 D) 45
 
Answer & Explanation Answer: C) 75

Explanation:

In the question it is asked for 5% of 1500

5 x 1500/100 = 15 x 5 = 75.

 

Hence, 5% of 1,500 is equal to 75.

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10 7198
Q:

Who became the first woman Director of an IIM ?

A) Deena Mehta B) Neelu Rohmetra
C) Bhimaraya Metri D) None
 
Answer & Explanation Answer: B) Neelu Rohmetra

Explanation:

Dr. Neelu Rohmetra from Jammu University has been appointed as one of the heads of IIMs. She became the first woman director of Indian Institute of Management Sirmaur, Himachal Pradesh. Dr. Neelu Rohmetra is the founder of the director of International Centre for Cross-Cultural Research and Human Resource Management (ICccR and HRM).

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Filed Under: General Awareness
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7 7196
Q:

Gammaxene, D.D.T. & Bleaching powder are important compounds of

A) Nitrogen B) Phosphorus
C) Chlorine D) Sulphur
 
Answer & Explanation Answer: C) Chlorine

Explanation:

Gammaxene, D.D.T. & Bleaching powder are important compounds of Chlorine.

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Filed Under: Chemistry
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5 7193
Q:

ALU stands for in computer?

A) Automatic Logic Unit B) Android Logic Unit
C) Arithmetic Logic Unit D) None of the above
 
Answer & Explanation Answer: C) Arithmetic Logic Unit

Explanation:

alu_in_computer_is1551963521.jpg image

ALU in computer stands for Arithmetic Logic Unit.

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12 7191
Q:

Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as

A) Cornering B) BLowout
C) Power D) Braking
 
Answer & Explanation Answer: D) Braking

Explanation:

A skid happens whenever the tires lose their grip on the road. Braking skids occur when the brakes are applied so hard that the front or rear wheels lose traction.

Skids_occur_when_the_brakes_are_applied1561010817.jpg image

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Filed Under: Physics
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1 7191
Q:

There are 209 doctors and nurses in a hospital. If the ratio of the doctors to the nurses is 11 : 8, then how many nurses are there in the hospital?

A) 88 B) 96
C) 108 D) 121
 
Answer & Explanation Answer: A) 88

Explanation:

Given,
The ratio of the doctors to the nurses is 11 : 8
Number of nurses = 8/19 x 209 = 88.

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4 7189
Q:

Replace each letter for a unique digit so that the equation is correct

Answer

(1+9+6+8+3) x (1+9+6+8+3) x (1+9+6+8+3) = 19683

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Subject: Math Puzzles Exam Prep: Bank Exams , AIEEE
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17 7188