GATE Questions

Q:

In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ?

A) 18 years B) 12 years
C) 15 years D) 16 years
 
Answer & Explanation Answer: D) 16 years

Explanation:

Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average)

= 24 – 24×4/12

= 24 – 8

= 16 years.

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Filed Under: Problems on Ages
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Q:

Which letter has at least one line of symmetry?

A) A B) C
C) O D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.

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Filed Under: Arithmetical Reasoning
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Q:

Who is the 45th President of United States ?

A) Hillary Clinton B) Barack Obama
C) George W. Bush D) Donald Trump
 
Answer & Explanation Answer: D) Donald Trump

Explanation:

Donald John Trump (born June 14, 1946) is an American businessman, television personality, politician, and the 45th President of the United States.

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Filed Under: Famous Personalities
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Q:

How much water can be used by a camel in drinking in a single time ?

A) Up to 60 ltr. B) Up to 100 ltr.
C) Up to 80 ltr. D) Up to 120 ltr.
 
Answer & Explanation Answer: B) Up to 100 ltr.

Explanation:
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Filed Under: Animals and Birds
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22 3825
Q:

How many years it takes for Pluto to Orbit the Sun?

A) 76 yrs B) 144 yrs
C) 198 yrs D) 248 yrs
 
Answer & Explanation Answer: D) 248 yrs

Explanation:

It takes 248 yrs for Pluto to orbit the Sun.

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Filed Under: General Science
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Q:

An electronic device rearranges numbers step-by-step in a particular order according to set of rules. The device stops when the final result is obtained.


Input: 84 15 35 04 18 96 62 08
Step 1: 96 84 15 35 04 18 62 08
Step 2: 96 84 62 15 35 04 18 08
Step 3: 96 84 62 35 15 04 18 08
Step 4: 96 84 62 35 18 15 04 08
Step 5: 96 84 62 35 18 15 08 04
And Step 5 is the last step for this input. Now, find out an appropriate step in the following question following the above rule.

Question:
Input: 16 09 24 28 15 04
What will be the third step for this input ?

A) 28 24 15 16 04 09 B) 28 24 16 15 09 04
C) 24 28 15 16 09 04 D) 28 24 16 15 04 09
 
Answer & Explanation Answer: B) 28 24 16 15 09 04

Explanation:

Carefully obsrving the given arrangement, we find the following pattern:
We observe that the given numbers are arranged in descending order (from left to right), altering the position of only one number in each step, followed by the other numbers as it is. The process continues till the whole set of numbers is arranged in the descending order.

Step1: 28 16 09 24 15 04
Step2: 28 24 16 09 15 04
Step3: 28 24 16 15 09 04

Hence, the answer is B

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Filed Under: Sequential Output Tracing
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7 3823
Q:

Guess the word?

5_letter1528105565.jpg image

Answer

SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
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6 3819
Q:

Which of the following is biodegradable?

A) Iron nails B) DDT
C) Silver foil D) Leather bags
 
Answer & Explanation Answer: D) Leather bags

Explanation:

Biodegradable substances can be broken down into simpler, harmless substances in nature with due course of time by the biological process such as action of microbes. They can be recycled as a part of food chain.

 

Here, Leather bags are biodegradable.

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