HCL Papers: Sample Questions 10  11 of 57
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Question number: 10
» Aptitude
MCQ▾
Question
Worker W produces n units in 5 hours. Workers V and W works independently but at the same time, produce n units in 2 hours. How long would it take if V alone to produce n units?
Choices
Choice (4)  Response  

a.  3 hr 20 min 

b.  2 hr 30 min 

c.  1 hr 26 min 

d.  1 hr 53 min 

Answer
a.Explanation
 Worker W can independently produce n units in 5 hours
 Worker V and W together can produce n units in 2 hours
 In x hour’s worker V independently can produce n units
 We can write the given statement in equation form,
 1 hour = 60 minutes
 hour = 20 minutes
 So, x = 3 hr 20 minutes
 Worker V will take 3 hours 20 minutes to produce n units independently.
Question number: 11
» Aptitude
MCQ▾
Question
An investor purchased shares of stock at a certain price. If the stock increased in price Rs. 0.25 per share and the total increase for the x shares was Rs. 12.50, how many shares of stock had been purchased?
Choices
Choice (4)  Response  

a.  75 

b.  100 

c.  50 

d.  25 

Answer
c.Explanation
 Investor purchases some shares. The stock price increases 0.25 per share and total price for x shares is Rs. 12.50
 By dividing total price for x shares with price for one share we can calculate no. of shares.
 Total number of shares =
= 50
 Total 50 shares have been purchased by investor.