GATE Questions

Q:

The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ?

A) 7 lts B) 14 lts
C) 98 lts D) 42 lts
 
Answer & Explanation Answer: B) 14 lts

Explanation:

To know the the measuring cylinder that can fill all the given capacities , they must be divisible by the required number.

98,182,266 all are divisible by 14
So  14 litres  is the largest cylinder that can fill all the given cylinders.

                                       (or)

The other method is take HCF of all given capacities i.e 98, 182 and 266.

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Filed Under: HCF and LCM
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21 21281
Q:

Generic is most similar in meaning to

A) Branded B) Basic
C) Trademarked D) Specific
 
Answer & Explanation Answer: B) Basic

Explanation:

Generic means related to a group of similar things rather than a particular one. It means it is not a specific thing like branded or trademarked. Hence it is a basic one.

 

Among the given options, Generic is most similar in meaning to Basic.

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Filed Under: English
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35 21265
Q:

The smallest Union Territory of India is 

A) Lakshadweep B) Pondicherry
C) Daman and Diu D) Dadar and Nagar Haveli
 
Answer & Explanation Answer: A) Lakshadweep

Explanation:

Lakshadweep has an area of only about 32 sq km.

 

The_smallest_Union_Territory_of_India_is1554209119.jpg image

 

The area of Pondicherry, Daman and Diu and Dadar and Nagar Haveli are about 492 sq km and 491 sq km respectively.

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Filed Under: Indian Geography
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40 21024
Q:

The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a.  ?

A) Rs. 22.5 B) Rs. 2.5
C) Rs. 202 D) Rs. 25
 
Answer & Explanation Answer: A) Rs. 22.5

Explanation:

We know that I = PTR/100
=> P = 20250/4.5 = 4500
Now, new Interest at 5% = 4500x1x5/100 = 225
Now the additional amount = 225 - 202.5 = Rs. 22.5

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Filed Under: Simple Interest
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18 21011
Q:

Find the next number in the given number series?

10, 6, 8, 15, ?

A) 34 B) 24
C) 28 D) 30
 
Answer & Explanation Answer: A) 34

Explanation:

The given number series is 10, 6, 8, 15, ?

10

10 x 0.5 + 1 = 6

6 x 1 + 2 = 8

8 x 1.5 + 3 = 15

15 x 2 + 4 = 34

 

Hence, the next number in the given series is 34.

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Filed Under: Number Series
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9 20957
Q:

Rain drops acquire spherical shape due to 

A) viscosity B) surface tension
C) friction D) elasticity
 
Answer & Explanation Answer: B) surface tension

Explanation:

The Surface tension pulls the surface of the drop equally at all points thus produces the spherical shape having the minimum surface area. This surface tension is the "skin" of a body of water that makes the molecules stick together.

                                 Rain_drops_acquire_spherical_shape_due_to1558074071.png image 

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Filed Under: Physics
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123 20953
Q:

A polygon has 44 diagonals, then the number of its sides are ?

A) 13 B) 9
C) 11 D) 7
 
Answer & Explanation Answer: C) 11

Explanation:

Let the number of sides be n. 

The number of diagonals is given by nC2 - n  

Therefore, nC2 - n = 44, n>0 

nC2 - n = 44

n- 3n - 88 = 0 

n2 -11n + 8n - 88 = 0  

n(n - 11) + 8(n - 11) = 0 

n = -8 or n = 11.

 

As n>0, n will not be -8. Therefore, n=11.

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Filed Under: Permutations and Combinations
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25 20950
Q:

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Answer

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