AIEEE Questions

Q:

1, 2, 8, 33, ?

Find the next number in the given series?

A) 148 B) 145
C) 143 D) 141
 
Answer & Explanation Answer: A) 148

Explanation:

1 x 1 + 1 x 1 = (1 + 1) = 2

2 x 2 + 2 x 2 = (4 + 4) = 8

8 x 3 + 3 x 3 = (24 + 9) = 33

33 x 4 + 4 x 4 = (132 + 16) = 148

148 x 5 + 5 x 5 = (740 + 25) = 765.

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Filed Under: Odd Man Out
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10 42999
Q:

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ?

A) 45 kmph B) 25 kmph
C) 30 kmph D) 50 kmph
 
Answer & Explanation Answer: D) 50 kmph

Explanation:

Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec.
[(25/2) x (18/5)] km/hr = 45 km/hr.
Let the speed of the train be 'S' km/hr.
Then, relative speed = (S - 5) km/hr.
S - 5 = 45 => S = 50 km/hr.

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49 42964
Q:

Find the next number in the given number series?

6, 6, 12, 36, 144, 720, ?

A) 4320 B) 3547
C) 2154 D) 1765
 
Answer & Explanation Answer: A) 4320

Explanation:

The given series is 6, 6, 12, 36, 144, 720, ?

6

6 x 1 = 6

6 x 2 = 12

12 x 3 = 36

36 x 4 = 144

144 x 5 = 720

720 x 6 = 4320

 

Hence, the next number in the given number series is 4320.

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Filed Under: Number Series
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12 42832
Q:

Which of the following element is NOT a metal?

 

A) Al   B) P  
C) Ca D) K
 
Answer & Explanation Answer: B) P  

Explanation:
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Filed Under: Chemistry
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1 42827
Q:

Find the odd man out in the following number series?

71, 88, 113, 150, 203, 277

A) 277 B) 203
C) 150 D) 113
 
Answer & Explanation Answer: A) 277

Explanation:

The given number series is 

 

71      88       113       150       203          277

   +17    +25       +37      +53        +74

        +8      +12        +16       +21

            +4          +4         +5

 

The series should be  71  88  112   150    203   276 i.e, the differences of the difference should be +4.

 

Hence, the odd man in the given series is 277.

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2 42745
Q:

What is black when you buy it, red when you use it, and gray when you throw it away?

A) Shoe B) Charcoal
C) Belt D) All the above
 
Answer & Explanation Answer: B) Charcoal

Explanation:

What_is_black_when_you_buy_it,_red_when_you_use_it,_and_gray_when_you_throw_it_away1557491056.jpg image

It is Charcoal which is black when we buy it or when not being used. It gets red in appearance when put in use means to say when burning. And eventually when it's been consumed by fire or after getting burned out or used up, changes into ashes which look grey in color.

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Filed Under: Logic Puzzles
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145 42578
Q:

The length of a rectangular hall is 5m more than its breadth. The area of the hall is 750 sq.m. The length of the hall is

A) 20 B) 25
C) 30 D) 35
 
Answer & Explanation Answer: C) 30

Explanation:

Let breadth = x m

 

Then, length = (x+5)m

 

Area of a rectangle = Length x Breadth

 

x(x+5) = 750 

 

x² + 5x - 750= 0

 

(x+30)(x-25)= 0

 

x = 25 or x = -30

 

Hence, breadth x = 25m

 

=> Length = x + 5 = 25 + 5 = 30m. 

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Filed Under: Area
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72 42568
Q:

Which digits will come in the place of '?' in the following series ?

372, 823, 644, 582, 46?, 8?7

A) 4, 4 B) 6, 2
C) 3, 2 D) 2, 5
 
Answer & Explanation Answer: B) 6, 2

Explanation:

Given series is 372, 823, 644, 582, 46?, 8?7

Here the series follow the rule that :
372 = 3+7+2 = 12
823 = 8+2+3 = 13
644 = 6+4+4 = 14
582 = 5+8+2 = 15
46? = 4+6+? = 16 => ? = 6
8?7 = 8+?+7 = 17 => ? = 2

So the missing numbers are 6 and 2

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Filed Under: Number Series
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21 42346