Aptitude and Reasoning Questions

Q:

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)?

[(7.99)2–(13.001)2+(4.01)3]2=?

A) -1800 B) 1450
C) -1660 D) 1660
 
Answer & Explanation Answer: D) 1660

Explanation:

[(7.99)^2–(13.001)^2+(4.01)^3]^2= X X= [8^2-13^2+4^3]^2 X= [64-169+64]^2 X= [-41]^2 X=1681

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A bag contains 25 paise, 50 paise and 1 Rs coins. There are 220 coinsinall and the total amount in the bag is Rs. 160. If there arethrice as many 1 Rs. coins as there are 25 paise coins, then what is the number of 50 paise coins?

A) 60 B) 40
C) 120 D) 80
 
Answer & Explanation Answer: A) 60

Explanation:

Let there be x one rupee coin, y 50 paise coin, z 25 paise coinx + y + z = 220......(i)

Total amount = 160

Now, x + (y/2) + z = 160 ......(ii)

⇒4x + 2y + z = 640

Thrice as many 1 re coin as 25 paise

⇒x = 3z ......(iii)

On solving equation (i), (ii) and (iii), we get

z = 40x= 3* 40 = 120y = 220 –(120 + 40 ) = 60

So, 50 paise coin =60

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A cistern has one inlet, L and one inlet, M. L takes 5 hours to fill the empty tank, when M is not open and M takes 8 hours to empty the full tank, if the tank is two fifth full, how much time will it take to fill the tank completely when both L and M are opened simultaneously? (in hours)

A) 5 hours B) 3 hours
C) 6 hours D) 8 hours
 
Answer & Explanation Answer: D) 8 hours

Explanation:
If the tank is 2/5th full, then remaining empty tank will be = 1-2/5=3/5th
L and M can fill the empty tank in = (5*8)/(8-5)=40/3 hours

Then 3/5 th tank fill in =40/3 * 3/5= 8 hours

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

 

CD, FA, IX, LU, ?

 

A) TU B) RS
C) OP D) OR
 
Answer & Explanation Answer: D) OR

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

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Q:

A sum fetched a total simple interest of Rs. 9648 at the rate of 12% per year in 6 years. What is the sum?

A) Rs 16080 B) Rs 10720
C) Rs 8040 D) Rs 13400
 
Answer & Explanation Answer: D) Rs 13400

Explanation:
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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Rohith Agarwal has three children--- Lila, Visal and Avinash. Avinash married Monika, the eldest daughter of Mr. and Mrs. Roy. The Roys married their youngest daughter to the eldest son of Mr. and Mrs. Sharma, and they had two children named Amit and Shashi. The Roys have two more children, Roshan and Vandana, Both elder to Veena. Sanketh and Yashwanth are sons of Avinash and Monika. Rashmi is the daughter of Amit.

1) How is Veena related to Rashmi ?
(a)Aunt     (b)Niece      (c)Sister     (d)Grand mother


2) How is Vishal related to Vandana ?
(a)Brother     (b)Brother-in-law      (c)Cousin      (d)Nephew


3) What is the surname of Yashwanth ?
(a)Sharma      (b)Roy      (c)Agarwal      (d)None

Answer

Answer 1) d
Rashmi is the daughter of Amit who is son of Veena.
Therefore, Veena is Grand mother of Rashmi.


Answer 2) b
Vandana's sister is Vishal's brother's wife.
Therfore, Vishal is Vandana's Brother-in-law.


Answer 3) c
Yashwanth is son of Avinash who is the son of Rohit Agarwal.
Therefore, surname of Yashwanth is Agarwal.

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Q:

A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 : 10 : 6 respectively, then in how many days C alone can complete the same work?

A) 727/6 B) 725/6
C) 775/6 D) 745/6
 
Answer & Explanation Answer: C) 775/6

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

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Q:

If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can C alone do the job?

A) 36 B) 6
C) 18 D) 12
 
Answer & Explanation Answer: C) 18

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

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