Aptitude and Reasoning Questions

Q:

If x(2x + 3) = 90 and 7y-1/2+ 2y-1/2= y1/2 (x and y are positive numbers), then what is the value of x2+ y2?

A) 45 B) 109
C) 117 D) 126
 
Answer & Explanation Answer: C) 117

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the following question, select the related letters from the given alternatives.
YONEX : DUUMG : : JASPO : ?

A) OGZXX B) OXXZF
C) OZTYY D) OZXXG
 
Answer & Explanation Answer: A) OGZXX

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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

Ranjith can complete a task in 25 days while Anji can finish it in 20 days. They work together on the task for 5 days and then Ranjith leaves. In how many days will Anji finish the remaining work?

A) 15 days B) 10 days
C) 11 days D) 9 days
 
Answer & Explanation Answer: C) 11 days

Explanation:

Lcm of 25 and 20 is 100. So total work = 100 units
Ranjith can do 4 units per day while anju can do 5 units per day
They together complete 5 days of work i.e 9 x 5 = 45 units
The remaining 55 units of work is done by anju in 55/5 days (or) 11 days

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

Nishi's grandfather is the brother of Om's father. Hemant is the son of Om. How is Hemant related to Nishi?

A) Brother B) Son
C) Cousin D) Nephew
 
Answer & Explanation Answer: C) Cousin

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Filed Under: Blood Relations
Exam Prep: CAT , Bank Exams , AIEEE

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Q:

A labourer can do a job in 50 hours. After 5 hours he takes a break. What fraction of the job is yet to be done?

A) 0.8 B) 0.5
C) 0.75 D) 0.9
 
Answer & Explanation Answer: D) 0.9

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

3/5 as a decimal fraction?

A) 0.25 B) 0.45
C) 0.60 D) 0.75
 
Answer & Explanation Answer: C) 0.60

Explanation:

Given fraction is 3/5

Now, multiply with 2 for numerator and denominator

we get,

3/5 x 2/2 = 6/10

 

When we divide, 6 with 10, we get 0.6 as quotient.

 

Hence, 3/5 as a decimal fraction is 0.6.

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

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Q:

In a certain code language, "OCEAN" is written as "PEHES". How is "RIVER" written in that code language?

A) SKIYW B) SKYIW
C) SKYIV D) SKYEV
 
Answer & Explanation Answer: B) SKYIW

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

If a + b = 9 and a2+ b2= 61, then ab is

A) 20 B) 10
C) 81 D) 142
 
Answer & Explanation Answer: B) 10

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Filed Under: Simplification
Exam Prep: Bank Exams

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