Aptitude and Reasoning Questions

Q:

Complete the next number in the given number series?

21 56 102 160 231 316

A) 416 B) 415
C) 414 D) 413
 
Answer & Explanation Answer: A) 416

Explanation:

The given number series is  21 56 102 160 231 316

 

21      56       102        160      231       316         416

   +35    +46       +58       +71      +85       +100

        +11      +12       +13      +14      +15

 

Hence, the next number in the given number series is 316 + 100 = 416.

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

2 58221
Q:

From the given words, select the word which cannot be formed using the letters of the given word.

ORDINALS

A) DINAR B) ADORN
C) SALON D) IDEAL
 
Answer & Explanation Answer: D) IDEAL

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

0 58216
Q:

Simplify 5x(x + 2) + 4x

 

 

A) 5x2 + 10 B) 9x + 10
C) 5x2 - 14x D) 5x2 + 14x
 
Answer & Explanation Answer: D) 5x2 + 14x

Explanation:
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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams

0 58191
Q:

If x2 + kx + k = 0 has repeated roots, then the value of k will satisfy :

 

 

A) k<0 or k>4 B) k=4 only
C) 0<k<4 D) k=4 or k=0
 
Answer & Explanation Answer: D) k=4 or k=0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 58162
Q:

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

A) 123 B) 127
C) 235 D) 305
 
Answer & Explanation Answer: B) 127

Explanation:

Required number = H.C.F. of (1657 - 6) and (2037 - 5)

= H.C.F. of 1651 and 2032 = 127.

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Filed Under: HCF and LCM

251 58067
Q:

39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?

A) 10 B) 13
C) 14 D) 15
 
Answer & Explanation Answer: B) 13

Explanation:

Let the required number of days be x.

Less persons, More days (Indirect Proportion)

More working hours per day, Less days (Indirect Proportion)

Persons30:39Working hours/day6:5 12:x

 

=> 30 * 6 * x = 39 * 5 * 12 

 

=> x= 13

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Filed Under: Chain Rule

57 58025
Q:

In the following question, select the odd word pair from the given alternatives.

 

A) Mammal – Goat B) Amphibian – Frog  
C) Reptile – Turtle   D) Crocodile – Reptile  
 
Answer & Explanation Answer: D) Crocodile – Reptile  

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 58012
Q:

When 0.232323.... is converted into a fraction , then the result is 

 

A) 1/5 B) 2/9
C) 23/99 D) 23/100
 
Answer & Explanation Answer: C) 23/99

Explanation:

0.232323...=0.23 =2399

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Filed Under: Decimal Fractions

73 57996