Tech Mahindra Papers: Sample Questions 21  23 of 42
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Question number: 21
» Aptitude
Write in Short
A man spends half of his salary for house hold expenses, ^{th} on rent, ^{th} for travel expenses and remaining 50 Rs. he deposits in bank. What is his monthly salary?
Explanation
 Let the original monthly salary of man be Rs. x.
 He spends half of his salary for house hold expenses, ^{th} on rent, ^{th} for travel expenses and remaining 50 Rs. he deposits in bank.
 Writing this statement in equation form,
 Monthly salary of man will be Rs. 1000.
Question number: 22
» Aptitude
Write in Short
If and then what will be the value of ?
Explanation
From equation (i),
Substituting this value of b in equation (ii),
Substituting its value in equation (iii),
for respectively.
We are asked to find the value of
Case 1: If a = 4 then b = 1
Case 2: If a = 2 then b = 2
So, in any case value of is only.
Question number: 23
» Aptitude
Question
x % of y is y % of?
Choices
Choice (4)  Response  

a. 


b.  x 

c.  can’t be determined 

d.  2y 

Answer
b.Explanation
 x % of y means
 We are asked to find the equivalence of x % of y with y % of z, where z is any unknown variable.
 y % of z means
 Now, =
 So, z = x
 We can say that x % of y is y % of x.