GATE Questions

Q:

Sound travels fastest in

A) Vacuum B) Air
C) Glass D) Water
 
Answer & Explanation Answer: C) Glass

Explanation:

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

 

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

3 3335
Q:

GST Council has decided to keep a total of ________ items in the 28% slab, which was earlier 227.

A) 125 B) 87
C) 100 D) 50
 
Answer & Explanation Answer: D) 50

Explanation:

The GST Council on Nov 10th 2017 cut tax rates of over 175 products that were in the highest tax slab of 28% under the Goods and Services Tax (GST) regime.  

Currently only 50 items have been left in the 28% category out of a total of 227 items that were present earlier.

Report Error

View Answer Report Error Discuss

Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Software Architect

8 3333
Q:

Find the average of first 50 natural numbers?

A) 25 B) 25.5
C) 26 D) 26.5
 
Answer & Explanation Answer: B) 25.5

Explanation:

We Know that sum of the n natural numbers =n(n+1)2

  

Then sum of 50 natural numbers= 50(51)2= 1250

  

Average of the 50 natural numbers = 125050 = 25.5

Report Error

View Answer Report Error Discuss

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

22 3333
Q:

Which of the following sentences is grammatically correct?

A) We had gone to the party last night B) I have seen him yesterday
C) The hen has laid 10 eggs D) She is sleeping for 2 hours
 
Answer & Explanation Answer: C) The hen has laid 10 eggs

Explanation:

In the above given sentences, only option C) The hen has laid 10 eggs is gramatically correct.

 

A) Not correct - We had gone to the party last night

Correct - We went to the party last night

 

B) Not correct - I have seen him yesterday

Correct - I saw him yesterday (We do not use the present perfect tense with past time expressions.)

 

D) Not correct - She is sleeping for 2 hours

Correct - She has been sleeping for two hours. (We use the present perfect continuous tense to show duration.)

Report Error

View Answer Report Error Discuss

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

0 3330
Q:

Which of the following is not a monosaccharide? 

A) Fructose B) Glucose
C) Galactose D) Sucrose
 
Answer & Explanation Answer: D) Sucrose

Explanation:

Sucrose is not a monosaccharide.

 

Monosaccharides are simple carbohydrates molecules that cannot be broken down into smaller molecules of other carbohydrates.

 

Glucose, galactose and fructose are examples of Monosaccharides.

Report Error

View Answer Report Error Discuss

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

1 3330
Q:

Statement: Ministry of Tourism in its one of the reports revealed that due to recent social disturbance in the country, the number of foreign tourists has decreased considerably, which resulted in a financial loss of Rs 100 crore.
Courses of action:
a. The Government should provide financial support to the tourism sector.
b. Foreign tourists should be informed that they visit the country at their risk.

A) Only b follows B) Only a follows
C) Both a & b follows D) Neither a nor b follows
 
Answer & Explanation Answer: D) Neither a nor b follows

Explanation:

Financial support to the tourism sector is not a permanent solution. Secondly, constant risk for the foreign tourists will never encourage tourism in India. Hence, none of the course action is the right solution in this direction.

Report Error

View Answer Report Error Discuss

2 3326
Q:

One paper is equally folded 35 times, then what is the new thickness of the paper ?

A) T(2^50) B) 50T
C) 2 x 50 T D) T/50
 
Answer & Explanation Answer: A) T(2^50)

Explanation:

Let initial thickness of the paper be 'T'
after first fold it will be '2T' = 21T
after second fold it will be '4T' = 22T 
after 50th fold it will be T x (250T)

Report Error

View Answer Report Error Discuss

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

5 3325
Q:

Which sentence contains an interjection?

A) Hey, where did I park my car! B) Well, that’s a relief.
C) Oh, now I remember where i put my wallet. D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Yes, all the above given sentences have an interjection.

 

1. Hey ! is an interjection in the sentence , Hey!, where did I park my car? 

 

2. Well is an interjection in the sentence, Well!, that's a relief.

 

3. Oh! is an interjection in the sentence , Oh!, now I remember where i put my wallet.

Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

1 3322