Practice Pakistan questions with answers and explanations.
Choose an option to check your answer.
Doubling means interest equal to the principal is earned in 8 years.
Tripling requires interest equal to twice the principal, so it takes 16 years.
Choose an option to check your answer.
Worker-days remain constant for the same job.
Thus, 15 × 20 ÷ 12 = 25 workers.
Choose an option to check your answer.
One-year compound amount is principal plus 12% interest.
Thus, 20,000 × 1.12 = Rs. 22,400.
Choose an option to check your answer.
Twice the efficiency means twice the daily work rate.
Therefore, A takes half of 18 days, which is 9 days.
Choose an option to check your answer.
Profit is shared in the ratio of investments, 3:5.
B receives 5/8 of Rs. 16,000 = Rs. 10,000.
Choose an option to check your answer.
Capital-time products are 40,000 × 12 and 60,000 × 8.
Both equal 480,000, so the ratio is 1:1.
Choose an option to check your answer.
A's capital-time is 2 × 6 + 4 × 6 = 36 units.
B's is 3 × 12 = 36 units, so profits are equal.
Choose an option to check your answer.
A 20% profit gives a selling price of Rs. 960.
Since this is 80% of marked price, marked price = 960/0.8 = Rs. 1,200.
Choose an option to check your answer.
He charges for 1,000 grams but supplies only 900 grams.
Gain percentage is 100/900 × 100 = 11 1/9%.
Choose an option to check your answer.
The selling price is 80% of the marked price.
Thus, marked price = 960 ÷ 0.80 = Rs. 1,200.
Choose an option to check your answer.
Sales tax is 12% of Rs. 5,000, or Rs. 600.
The total payable amount is Rs. 5,600.
Choose an option to check your answer.
Commission is 6% of total sales.
Thus, 0.06 × 250,000 = Rs. 15,000.
