Aptitude and Reasoning Questions

Q:

If ax= by= cz and b2= ac, then what is 1x+1z equal to ?

A) 1/y B) -1/y
C) 2/y D) -2/y
 
Answer & Explanation Answer: C) 2/y

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In a container, there is 960 ltr of pure milk from which 48 ltr of milk is replaced with 48 ltr of water, again 48 ltr milk is replaced by same amount of water, as this process is done once more. Now, what is the amount of pure milk?

A) 901.54 ltr B) 821.54 ltr
C) 719.64 ltr D) 823.08 ltr
 
Answer & Explanation Answer: D) 823.08 ltr

Explanation:

Amount of pure milk= a(1 –b/a)n(n = 3, a = pure milk and b = amount replaced)= 960 (1 –48/960)^3= 960(1-1/20)^3= 960 * 19/20 * 19/20*19/20= 823.08 lt.

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

A number is increased by 84, it becomes 107% of itself. What is the number?

A) 600 B) 900
C) 1500 D) 1200
 
Answer & Explanation Answer: D) 1200

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A batsman makes 100 runs in the 25th match of his career. His average runs per match increases by 1.4. Find his average before the 25th match.

A) 65 B) 55
C) 75 D) 45
 
Answer & Explanation Answer: A) 65

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Surbhi invested Rs.6000 for 5 months and Urba invested Rs.5000 for 6 months in a venture. The ratio in which they will share the profits is

A) 36:25 B) 6:5
C) 5:6 D) 1:1
 
Answer & Explanation Answer: D) 1:1

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A man buys a table and a chair for Rs. 500. He sells the table at a loss of 10% and the chair at a gain of 10%. He still gains Rs.10 on the whole. The cost price of chair in rupees is

A) Rs.200 B) Rs.250
C) Rs.300 D) Rs.400
 
Answer & Explanation Answer: C) Rs.300

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Two numbers are 50% and 75% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 50 B) 25
C) 75 D) 100
 
Answer & Explanation Answer: D) 100

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

A bank offers 20% compound interest per half year. A customer deposits Rs 7600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained from interest is

A) Rs 9727 B) Rs 2432
C) Rs 4864 D) Rs 1216
 
Answer & Explanation Answer: C) Rs 4864

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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