Aptitude and Reasoning Questions

Q:

A beaker contains acid and water in the ratio 1 : x. When 300 ml of the mixture and 50 ml of water are mixed, the ratio of acid and water becomes 2 : 5. What is the value of x?

A) 2 B) 1
C) 3 D) 4
 
Answer & Explanation Answer: A) 2

Explanation:
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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

The government is set to launch the most ambitious bets to ward off cybercrime in its Rs 1,000-crore National Cyber Coordination Centre project slated to begin operations by the end of this month. According to government officials, the Centre is meant to monitor the cyber traffic in the country and prevent possible large-scale cyber attacks by analyzing the traffic. It will begin with tracking the networks of a handful of Internet Service Providers (ISPs) and data centers.

Which of the following statements most strongly supports the argument?

A) The government seems to be fast-tracking its efforts to strengthen cyber security especially after the unprecedented rise in the digital transactions in the country since demonetization. B) In the wake of large-scale cyber attacks in the country recently, the government has taken several measures to contain the spread of cybercrime.
C) The Centre will monitor the flow of traffic and analyze upcoming attacks and take action in real time. D) None of these
 
Answer & Explanation Answer: B) In the wake of large-scale cyber attacks in the country recently, the government has taken several measures to contain the spread of cybercrime.

Explanation:

Almost all the options are in support with the passage. As B underlines the main cause, it is the strongest argument among all the given options.

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Q:

How many numbers of five digits can be formed by using the digits 1, 0, 2, 3, 5, 6 which are between 50000 and 60000 without repeating the digits?

A) 120 B) 240
C) 256 D) 360
 
Answer & Explanation Answer: A) 120

Explanation:

Required number of 5 digit numbers can be formed by using the digits 1, 0, 2, 3, 5, 6 which are between 50000 and 60000 without repeating the digits are 

5 x 4 x 3 x 2 x 1 = 120.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Two cars start from a house at an interval of 10 min and travel at a speed of 20 kmph. With how much speed should a woman coming from the opposite direction towards the house travel, to meet the cars at an interval of 8 min?

A) 5 B) 6
C) 7 D) 4
 
Answer & Explanation Answer: A) 5

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

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Q:

James present age is 2/7th of his fathers present age. James brother is three year older to Jame. The respective ratio between present ages of James father and James brother is 14:5. What is the present age of James?

A) 12 years B) 13 years
C) 14 years D) 15 years
 
Answer & Explanation Answer: A) 12 years

Explanation:

James father present age = x
James age = 2/7 x
James brother age = 2x/7 + 3
x = 42
=> 2x/7 = 12 yrs

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Mohan invested Rs. 100000 in a garment business. After few months, Sohan joined him with Rs. 40000. At the end of the year, the total profit was divided between them in ratio 3 : 1. After how many months did Sohan join the business?

A) 3 B) 2
C) 4 D) 5
 
Answer & Explanation Answer: B) 2

Explanation:
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Filed Under: Partnership
Exam Prep: Bank Exams

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Q:

A, B and C are three students. A got 36% less marks than B and 16% more marks than C. If B got 145 marks, then what are the marks got by C?

A) 120 B) 110
C) 80 D) 75
 
Answer & Explanation Answer: C) 80

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Savita sold an item for 6,500 and incurred a loss of 20%. At what price should she have sold the item to have gained a profit of 20%?

A) 10,375 B) 9,750
C) 8,125 D) Cannot be determined
 
Answer & Explanation Answer: B) 9,750

Explanation:

C.P of article = 6500 * (100/80) = Rs. 8125 S.P for a gain of 20% = (8125*120)/100 = Rs. 9750

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Filed Under: Profit and Loss

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