PWC aptitude questions

As you all know, an aptitude test has its space in the PWC job test. These tests measure the candidate’s abilities in areas such as problem-solving, logical reasoning, data interpretation, and numerical and abstract thinking. A high score on an aptitude test can give you a competitive edge when it comes to getting hired. To help you prepare for your PWC aptitude test, here are some sample questions and their solutions you can practice with.

1. An outlet pipe can empty a cistern in 6 hours. In what time will empty $\frac{2}{3}$ of the cistern?

• The outlet pipe empties the one complete cistern in 6 hours

• Time taken to empty $\frac{2}{3}$ Part of the cistern

$=\frac{2}{3} \times 6$

$=4$ hours

1. A person earns the remaining Rs. 4200 every month after spending 41% of his monthly salary on food, 20% on rent, 15% on entertainment, 9% on travel and 8% on education. What is his monthly salary?

• Total monthly salary = 100%

• Percentage of total expenditure = 41 + 20 + 15 + 9 + 8 = 93%

• His savings in a month = 100 - 93 = 7%

• 7% is Rs.4200.

• 7% $\rightarrow$ 4200

• 100 % $\rightarrow$?

• To find the total monthly salary, you just need to cross-multiply them and then divide them as shown below.

• Monthly salary = $\frac{4200 \times100} {7}$= 60000 Rs
1. A person purchases 10 apples for Rs.100 and sells 8 for Rs.100,then his gain percentage is?

• Profit % = $\left ( \frac{SP - CP}{CP}\right )\times 100$
• Profit % = $\frac{2}{8}\times 100$

= $\frac{100}{4}$ = 25%.

1. Two pipes A and B together can fill a cistern in 8 hours. Had they been opened separately, then B would have taken 12 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

• Let the cistern be filled by pipe A alone in $x$ hours.

• Then, pipe B will fill it in $(x+12)$ hours $\therefore \frac{1}{x}+\frac{1}{x+12}=\frac{1}{8}$

$\Rightarrow \frac{x+12+x}{x(x+12)}=\frac{1}{8}$

$\Rightarrow x^{2}-4 x-96=0$

$\Rightarrow(x-12)(x+8)=0$

$\Rightarrow x=12 \quad[\text { neglecting the negative value of } x]$

• Profit % = $\frac{SP - CP}{CP} \times 100$
• Profit % = $\frac{5}{15}\times 100$
= $\frac{100}{3}$