GATE Questions

Q:

The sum of the two digits of a number is 8. If the number is subtracted from the number obtained by reversing its digits, the result is 54. Find the number ?

A) 28 B) 19
C) 37 D) 17
 
Answer & Explanation Answer: D) 17

Explanation:

Any two digit number can be written as (10P + Q), where P is the digit in the tens place and Q is the digit in the units place.
P + Q = 8 ----- (1)
(10Q + P) - (10P + Q) = 54
9(Q - P) = 54
(Q - P) = 6 ----- (2)
Solve (1) and (2) P = 1 and Q = 7
The required number is = 17

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Filed Under: Problems on Numbers
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Q:

Correct the mistakes in the following sentences.

1. He are very happy.

2. We gonna get a new dog.

3. It taste sweet.

4. He like cats.

5. Me favourite coler is blue.

Answer

In the above given sentences, there are some english grammatical and spelling mistakes. They are ::


 


1. He are very happy -------> He is very happy


 


2. We gonna get a new dog ------> We are going to get a new dog


 


3. It taste sweet  -------> It tastes sweet


 


4. He like cats -------> He likes cats


 


5. Me favourite coler is blue -------> My favourite color is blue

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Subject: English Exam Prep: AIEEE , Bank Exams , CAT , GATE
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4 3206
Q:

Study of fishes is called

A) Amphiology B) Phylumology
C) Zoology D) Ichthyology
 
Answer & Explanation Answer: D) Ichthyology

Explanation:

Ichthyology is the branch of biology devoted to the study of fish.

 

It is also known as Fish science which includes bony fishes (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha).

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Filed Under: General Science
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7 3205
Q:

2/3 as a decimal

A) 0.47 B) 6.77
C) 0.67 D) 0.07
 
Answer & Explanation Answer: C) 0.67

Explanation:

To convert a fraction into decimal, just take the number on top which we called the numerator and divide it by the number at the bottom which we called the denominator.

2/3

How it comes :

÷ 0 bring down the decimal point.

20 ÷ 6 and carry the remainder 2 to make 20

20 ÷ 6 and carry the remainder 2 to make 20

20 ÷ 6 and carry the remainder 2 to make 20

etc...

This gives the recurring decimal 0.6666...

If we round off to two decimals , then it becomes 0.67.

 

Hence, decimal fraction of 2/3 = 0.67.

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3 3202
Q:

MONEX is associated with

A) Monetary experiment B) Lunar experiment
C) Montreal experiment D) Monsoon experiment
 
Answer & Explanation Answer: D) Monsoon experiment

Explanation:

Monsoon experiment is abbreviated as MONEX.

 

The Monsoon Experiment is the core of the GARP Monsoon Subprogramme, which is a major international effort to achieve a better understanding of the Planetary monsoon circulation, the major seasonal perturbation of the general circulation of the atmosphere and the influence of the annual cycle of precipitation associated with the monsoon on the agriculture of the many populous nations of the region.

 

Hence, MONEX is associated with The Monsoon Experiment.

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Filed Under: General Science
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4 3197
Q:

What it goes up but never comes down?

A) Umbrella B) Hot air balloon
C) Age D) Rocket
 
Answer & Explanation Answer: C) Age

Explanation:

Yeah, its your AGE which always goes up but sadly never comes down.

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Filed Under: Logic Puzzles
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7 3192
Q:

Which planet has maximum satellite?

A) Saturn B) Earth
C) Jupiter D) Mars
 
Answer & Explanation Answer: C) Jupiter

Explanation:

Jupiter has 67 natural satellites. Eight of Jupiter's moons are regular satellites, with 4 large, spherical moons, and 4 smaller moons that orbit closer to Jupiter. Jupiter has an additional 55 tiny irregular satellites.

 

The planet with the second highest number of moons is Saturn, with 61 moons.

Earth has only one natural satellite i.e, Moon.

Mercury and Venus have no satellites.

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Filed Under: General Awareness
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0 3189
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)

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Filed Under: Logic
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