Aptitude and Reasoning Questions

Q:

Find the next number in the given number series

1, 3, 10, 41, 206, ?

A) 1237 B) 897
C) 987 D) 1007
 
Answer & Explanation Answer: A) 1237

Explanation:

The given number series is 1, 3, 10, 41, 206, ?

It follows a pattern that,

1

1 x 2 + 1 = 3

3 x 3 + 1 = 10

10 x 4 + 1 = 41

41 x 5 + 1 = 206

206 x 6 + 1 = 1237

 

Hence, the next number in the given number series is 1237.

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Filed Under: Number Series
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13 82136
Q:

Select the related word/letters/number from the given alternatives.

TC : EV : : NS : ?

A) QT B) LK
C) PU D) UP
 
Answer & Explanation Answer: D) UP

Explanation:
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Filed Under: Analogy

1 81893
Q:

Find the next number in the series

 

143 143 136 110 ?

A) 91 B) 35
C) 47 D) 69
 
Answer & Explanation Answer: C) 47

Explanation:

The next number in the series is

143 143 136 110

      0    7      26 (Differences)

 13 - 1 , 23 - 1, 33 - 1, 43 - 1,...Now the next number is given by110 - (43 - 1) = 110 - 63 = 47.

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Filed Under: Odd Man Out
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8 81855
Q:

Find the Missing number in the given Series ?

 

2, 3, 6, 15, ? , 157.5

A) 87 B) 78.5
C) 56.5 D) 45
 
Answer & Explanation Answer: D) 45

Explanation:

Here given 

2, 3, 6, 15, ? , 157.5

2 x 1.5 = 3

3 x 2  = 6

6 x 2.5 = 15

15 x 3 = 45

45 x 3.5 = 157.5

Therefore, the missing number is 45

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Filed Under: Odd Man Out
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7 81679
Q:

What letters will fill the blank?

Z, X, V, T, R, __,__

A) M, N B) P, N
C) O, K D) K, S
 
Answer & Explanation Answer: B) P, N

Explanation:

Here the letter series is alternative reverse order series. So we get P, N.

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Filed Under: Number Series

35 81478
Q:

Some blades are hammers. Some hammers are knives. Some knives are axes.

Conclusions:

1. Some axes are hammers

2. Some knives are blades

3. Some axes are blades

A) None follows B) Only 1 follows
C) Only 2 follows D) Only 3 follows
 
Answer & Explanation Answer: A) None follows

Explanation:

Since each combination has of premises has 2 particular premises, so no defenite conclusion follows

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37 81331
Q:

Correct underlined words if necessary in the following sentence ?

Have you been more careful, the accident could have been averted.

A) Have you been B) If you have been
C) Had you been D) If you could have been
 
Answer & Explanation Answer: C) Had you been

Explanation:

As the sentence talks about the past it is apt to say. 'Had you been more careful ...'.

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Filed Under: Alphabet Test
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17 81170
Q:

If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to:

A) 55/601 B) 601/55
C) 11/120 D) 120/11
 
Answer & Explanation Answer: C) 11/120

Explanation:

Let the numbers be a and b.

 

Then, a + b = 55 and ab = 5 x 120 = 600.

 

The required sum =1a+1b = a+bab55600=11120

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Filed Under: HCF and LCM

134 81063