HCL Papers: Sample Questions 46  47 of 57
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Question number: 46
» Aptitude
Short Answer Question▾
Write in Short
When two numbers are added it gives 330. When the last digit of the greater number is removed, 1^{st} number is obtained. Find the numbers.
Explanation
 When two numbers are added it gives 330, i. e.
 Let x be the larger number and y be the smaller one. If we remove the last digit of the greater number, other number is obtained.
 From this information we can say that last digit must be 0.
 Lets assume the number is 330. Divide this number into two parts, 300 and 30. If we remove the right most 0 from 300 then we will get 30, which is the second number, i. e. 30. Adding these two numbers (300 and 30) we are getting 330.
 So, we can say that numbers are 300 and 30.
Question number: 47
» Aptitude
MCQ▾
Question
Working independently, Tina can do a certain job in 12 hours. Working independently, Ann can do the same job in 9 hours. If Tina works independently at the job for 8 hours and then Ann works independently, how many hours will it take Ann to complete the remainder of the job?
Choices
Choice (4)  Response  

a. 


b. 


c.  3 

d.  2 

Answer
c.Explanation
 More working hours, more work done
 We can say working hours and work done are in direct proportion.
 Tina can complete a work in 12 hours.
 In 12 hours Tina can do 1 complete work
 Then in 8 hours she can complete x amount of work
 So, Tina has completed of whole work.
 Yet of the work is incomplete which Ann has to do.
 Ann can complete a work in 9 hours.
 Ann can do 1 complete work in 9 hours
 Then work she can complete in y hours
 So, Ann can complete the remaining work in 3 hours.