21
Q:

n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2*n is divided by 4 ?

A) 3 B) 2
C) 1 D) 0

Answer:   B) 2



Explanation:

Let n=4*q + 3. Then, 2*n = 8*q + 6 = 4(2*q + 1) + 2.
Thus when 2*n is divided by 4, the reminder is 2.

Q:

Four number-pairs have been given, out of which three are alike in some mannerandoneis different. Select the number-pair that is different.

 

A) 16, 8 B) 36, 2
C) 14,8 D) 28, 5
 
Answer & Explanation Answer: D) 28, 5

Explanation:
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1 213
Q:

What is the smallest integer that is a multiple of 5, 8 and 15?

 

A) 600 B) 120
C) 60 D) 40
 
Answer & Explanation Answer: B) 120

Explanation:
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2 911
Q:

Which number will fit in '?' place in the following series?

 

12, 23, 45, 89, ?

 

A) 175 B) 176
C) 177 D) 178
 
Answer & Explanation Answer: C) 177

Explanation:
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8 1670
Q:

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.

 

 

A) 61 B) 21
C) 16 D) 81
 
Answer & Explanation Answer: C) 16

Explanation:
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1 539
Q:

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.

 

A) -2/3 B) 2/3
C) 3/2 D) -3/2
 
Answer & Explanation Answer: A) -2/3

Explanation:
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4 641
Q:

What will be the 20th term in the given sequence?

 

-50, -47, -44, _

 

A) -10 B) 10
C) -7 D) 7
 
Answer & Explanation Answer: D) 7

Explanation:
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11 2484
Q:

In the given series of numbers how many 7's are there which are immediately followed by 9 and immediately not preceeded by 5 ?

 

A) 6 B) 2
C) 1 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:
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5 870