Aptitude and Reasoning Questions

Q:

2.5, 3.5, 9, 40, ?

Find the next number in the above-given series?

A) 316 B) 328
C) 323 D) 340
 
Answer & Explanation Answer: B) 328

Explanation:

2.5 × 1 + 1 = 3.5

3.5 × 2 + 2 = 9

9 × 4 + 4 = 40

40 × 8 + 8 = 328

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Filed Under: Odd Man Out
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15 70595
Q:

If the cost price of 12 pens is equal to the selling price of 8 pens, the gain percent is ?

A) 12% B) 30%
C) 50% D) 60%
 
Answer & Explanation Answer: C) 50%

Explanation:

Friends, we know we will need gain amount to get gain percent, right. So lets get gain first.

Let the cost price of 1 pen is Re 1

Cost of 8 pens = Rs 8

Selling price of 8 pens = 12

Gain = 12 - 8 = 4

Gain% = gaincost×100%  = 48×100% = 50%

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Filed Under: Profit and Loss

346 70585
Q:

Find the missing number in the following series?

2, 3, 10, 39, ?, 885

A) 128 B) 156
C) 172 D) 189
 
Answer & Explanation Answer: C) 172

Explanation:

Take a Look at the below sereies

2×1+12=3

3×2+22=10

10×3+32=39

39×4+42=172

172×5+52=885

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Filed Under: Number Series

75 70397
Q:

If √21 = 4.58, then the simplified value of 837 - 373

 

A) 0.474 B) 0.752
C) 0.655 D) 1
 
Answer & Explanation Answer: C) 0.655

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 70278
Q:

8, 14, 24, 60, 180

Find the odd man out of the series?

A) 180 B) 60
C) 24 D) 14
 
Answer & Explanation Answer: D) 14

Explanation:

The given series is 8, 14, 24, 60, 180

8

8 x 1.5 = 12 (NOT 14)

12 x 2 = 24

24 x 2.5 = 60

60 x 3 = 180

 

Hence, the odd man in the given series is 12.

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4 70276
Q:

A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square  tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

A) 14 cms B) 21 cms
C) 42 cms D) None of these
 
Answer & Explanation Answer: B) 21 cms

Explanation:

3.78 meters =378 cm = 2 × 3 × 3 × 3 × 7

5.25 meters=525 cm = 5 × 5 × 3 × 7

Hence common factors are 3 and 7

Hence LCM = 3 × 7 = 21

Hence largest size of square tiles that can be paved exactly with square tiles is 21 cm.

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Filed Under: HCF and LCM

169 70242
Q:

The Passive voice of the given Question

 Didn't they tell you to be here by six O'clock  ?

A) Haven't they told you to be here by six O'clock? B) You were expected to be hare by six O'clock.
C) They expected you to be here by six O'clock. D) Weren't you told to be here by six O'clock?
 
Answer & Explanation Answer: D) Weren't you told to be here by six O'clock?

Explanation:
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Filed Under: Alphabet Test
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13 70025
Q:

Find the odd man out of the following number series?

720, 732, 708, 742, 696

A) 696 B) 742
C) 708 D) 732
 
Answer & Explanation Answer: B) 742

Explanation:

The given number series is 720, 732, 708, 742, 696

 

720

720 + 12 = 732

732 - 24 = 708

708 + 36 = 744 (Not 742)

744 - 48 = 696

 

Hence, the odd man in the given number series is 742.

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Filed Under: Odd Man Out
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3 69965