GATE Questions

Q:

What is the value of P in the following Equation ?

 

A) 3.9 B) 4.1
C) 3.7 D) 4.5
 
Answer & Explanation Answer: D) 4.5

Explanation:

Given euation is 

Here it is in the form of 

Here m = 2.5 , n = p, m+n = 7

=> 2.5 + p = 7

=> p = 7 - 2.5

=> p = 4.5

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Q:

What should come in place of x in the following equation?

 

A) 13 B) 12
C) 17 D) 16
 
Answer & Explanation Answer: B) 12

Explanation:

Then x2 = 

   = 

   = Sqrt of 82 x 62 x 32

   = 8 x 6 x 3

   x2  = 144.

 x =  = 12.

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Q:

One fathom is equal to how many meters ? 

A) 1.7699 B) 2.0210
C) 1.8288 D) 2.1212
 
Answer & Explanation Answer: C) 1.8288

Explanation:

One fathom = 1.8288 meters = 6 feet

A fathom is a unit of length used especially for measuring the depth of water.

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Q:

Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided?

A) 7:1 B) 13:5
C) 15:7 D) 2:7
 
Answer & Explanation Answer: A) 7:1

Explanation:

Maneela lent Rs. 8000 in two parts,

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Q:

What value will come in place of question mark (?) in following number series?

12        16         32          68         ?

A) 198 B) 164
C) 132 D) 118
 
Answer & Explanation Answer: C) 132

Explanation:

Given series is 

12        16         32          68         ?

Here it follows a pattern that,

12

12 + (2x2) = 16

16 + (4x4) = 32

32 + (6x6) = 68

68 + (8x8) = 132

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