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Q:

The speed of a boat when travelling downstream is 32 km/h, whereas when travelling upstream it is 28 km/h. What is the speed of the boat in still water?

A) 27 km/h B) 29 km/h
C) 31 km/h D) Cannot be determined
 
Answer & Explanation Answer:

Explanation:

Ans.  Suppose the speed of boat in still water is x km/h and speed of stream is y km/h

Speedof boat in downstream = (x + y) km/h x+ y = 32 …(i) 

Speed of boat in upstream = (x – y) km/h

x – y = 28 …(ii)

Add. Eqs. (i) and (ii), we get 2x = 60

x = 30 km/h

 

 

 

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Filed Under: English
Exam Prep: CAT , GRE , TOEFL

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Q:

When a number is increased by 24, it becomes 115% of itself. What is the number?

A) 160 B) 250
C) 100 D) 200
 
Answer & Explanation Answer: A) 160

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If M is the sister of Z , Z is the wife of P and P is the son of A, how Z relates to A?

A) Daughter-in-law B) Daughter
C) Wife D) Mother
 
Answer & Explanation Answer: A) Daughter-in-law

Explanation:
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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

1 Mole of CO2 mass is

A) 32 gms B) 44 gms
C) 16 gms D) 12 gms
 
Answer & Explanation Answer: B) 44 gms

Explanation:

We know that,

Mass of Carbon = 12 gms

Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms

=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

15 2247
Q:

How long is your TABC certification valid?

A) 1 year B) 2 years
C) 4 years D) 6 months
 
Answer & Explanation Answer: B) 2 years

Explanation:

TABC stands for Texas Alcoholic Beverage Commission. The Texas Alcoholic Beverage Commission regulates the sales, taxation, production, trade, and advertising of alcoholic beverages in Texas. Alcohol Seller/server Training regulated by this regulatory body is also called TABC Certification. It makes the rules the rest of us have to follow, and if you want to get a job serving alcohol in Texas, getting TABC certified is your first step.

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Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT
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1 2247
Q:

Where does glycolysis take place?

A) Mitichondria B) Cytoplasm
C) Mitochondrial outer membrane D) None of above
 
Answer & Explanation Answer: B) Cytoplasm

Explanation:

"Glycolysis" means the splitting of glucose. The first step of the process occurs in the cytoplasm of the cell and yields a small amount of energy (measured in units of ATP) and two molecules of pyruvate.

The other steps occur in the mitochondria. It is an ongoing process as your cells have a constant need for energy.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

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Q:

What is located at 180 degrees longitude?

A) Fiji B) Russia
C) Antarctica D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres.

It is common to both east longitude and west longitude.

It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.

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Filed Under: World Geography
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Q:

What question can you never answer yes to?

Answer

When you are Asleep or Dead, you cannot answer Are you Asleep or Dead?

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , GRE , TOEFL
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