GATE Questions

Q:

Warm is to Hot as Not so Good is to

A) Average B) Fair
C) Not so bad D) Worse
 
Answer & Explanation Answer: D) Worse

Explanation:

Warm and hot are in the same meaning sense , so not so good is same as worse in meaning.

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Filed Under: Analogy
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23 23015
Q:

Complete the number series?

11, 12.2, 14.6, 18.2, ?

A) 21.8 B) 23
C) 24.6 D) 25
 
Answer & Explanation Answer: B) 23

Explanation:

The given number series 11, 12.2, 14.6, 18.2, ?

11

11 + 1.2 = 12.2

12.2 + 2.4 = 14.6

14.6 + 3.6 = 18.2

18.2 + 4.8 = 23

 

Hence, the next number in the given number series is 23.

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Filed Under: Number Series
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8 22920
Q:

A Certain sum of money an amounts to Rs 2500 in a span Of 5 years and further to Rs.3000 in a span of 7 years at simple interest The sum is ?

A) Rs. 1800 B) Rs. 2000
C) Rs. 1400 D) Rs. 1250
 
Answer & Explanation Answer: D) Rs. 1250

Explanation:

2500 in 5th year and 3000 in 7th year
So in between 2 years Rs. 500 is increased => for a year 500/2 = 250
So, per year it is increasing Rs.250 then in 5 years => 250 x 5 = 1250
Hence, the initial amount must be 2500 - 1250 = Rs. 1250

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Filed Under: Simple Interest
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16 22838
Q:

The day before yesterday, I was 25 years old, and next year I will turn 28. How is it possible?

Answer

On carefully inspecting this question, one can understand that there are two days which are important and these are:


A. My Birthday.


B. The day when I am making this statement.


If you think for a while, you will understand that such statements can be made only around the year’s end. So, if my birthday is on 31 December, then I will be making this statement on 1 January.


I will further explain using the following example:


1. Consider that today is 01 January 2017.


2. Then, the day before yesterday was 30 December 2016 and according to the question I was 25 then.


3. Yesterday was 31 December 2016, which happens to be my birthday too (Woohoo!), and my age increases by one to become 26.


4. I will turn 27 on my birthday this year (31 December 2017).


5. I will turn 28 on my birthday next year (31 December 2018).


Now, if you read the question again, it will make more sense:


 


The day before yesterday(30 December 2016), I was 25 years old and next year(31 December 2018) I will be 28.

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Subject: Calendar Exam Prep: AIEEE , Bank Exams , CAT , GATE
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155 22779
Q:

What is the oxidation number of sulfur in H2S?

A) 2 B) -2
C) 1 D) -1
 
Answer & Explanation Answer: B) -2

Explanation:

The sum of the oxidation numbers in a compound must equal zero. In the compound hydrogen sulfide, H2S, the two hydrogen atoms have an oxidation number of +1, for a total of +2.

 What_is_the_oxidation_number_of_sulfur_in_H2S1556279499.jpg image

Therefore, the oxidation number of sulfur in the compound is -2, and the sum of the oxidation numbers is 0.

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Filed Under: Chemistry
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31 22658
Q:

A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ?

A) Total work B) One-fourth work
C) Half work D) Two-third work
 
Answer & Explanation Answer: C) Half work

Explanation:

A can do the work = 18 days
B can do the work = 18/2 = 9 days
(A + B)'s 1 day work = 1/18 + 1/9 = 1/6
=> In 3 days = 3x1/6 = 1/2 work is completed.

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Filed Under: Time and Work
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30 22594
Q:

What value should come in place of the question mark (?) in the following question?

68 x ? - 3421 = 591

A) 3249 B) 3481
C) 3364 D) 3136
 
Answer & Explanation Answer: B) 3481

Explanation:

68 x ? - 3421 = 591? = 4012/68? = 59 x 59? = 3481

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0 22540
Q:

In a row, Kumar is at 7th place from the left and Pawan is at 9th place from the right. When they interchange the positions Kumar becomes 11th from left. How many were seated in the row ?

A) 19 B) 20
C) 21 D) 27
 
Answer & Explanation Answer: A) 19

Explanation:

Initialy from left 7th = kumar
from right 9th = pawan
Interchange kumar = 11th from left, from right kumar = 9th;
11+8 = 19;
8 is 1,2,3,4,5,6,7(pawan),8,9,10,11(kumar),12,13,14,15,16,17,18,19;
simply count the 9th place from right we will get total as 19.

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35 22455