Vidyalelo
Aptitude · all questions

Percentage
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

584

Questions

22/30

Page

Pick an option on a question to see the right answer and solution.

In a factory, producing parts for an automobile, the parts manufactured on the shop floor are required to go through three quality checks, each conducted after a specific part of the processing on the raw materials is completed. Only parts that are not rejected at one stage are put through the subsequent stages of production and testing. If average rejection rates at these testing machines during a month are 10%, 5% and 2% respectively, then what is the effective rejection rate for the whole plant ?

Select an option to see the answer and solution.

Depreciation applicable to an equipment is 20%. The value of the equipment 3 years from now will be less by :

Select an option to see the answer and solution.

In a hotel, 60% had vegetarian lunch while 30% had non-vegetarian lunch and 15% had both types of lunch. If 96 people were present, how many did not eat either type of lunch ?

Select an option to see the answer and solution.

1 litre of water is added to 5 litres of alcohol water solution containing 40% alcohol strength. The strength of alcohol in the new solution will be :

Select an option to see the answer and solution.

Solve this : 30% of 1225 - 64% of 555 = ?

Select an option to see the answer and solution.

One litre of water is evaporated from a 6 litre solution containing 4% sugar. The percentage of sugar in the remaining solution is :

Select an option to see the answer and solution.

Find the number :
85% of 420 + ?% of 1080 = 735

Select an option to see the answer and solution.

What is 45% of 25% of th of 850 ?

Select an option to see the answer and solution.

In an examination it is required to get 36% of the aggregate marks to pass. A student gets 198 marks and is declared failed by 36 marks. What is the maximum aggregate marks a student can get ?

Select an option to see the answer and solution.

It costs Rs. 1 to photocopy a sheet of paper. However, 2% discount is allowed on all photocopies done after first 1000 sheets. How much will it cost to copy 5000 sheets of paper ?

Select an option to see the answer and solution.

60% of 264 is the same as :

Select an option to see the answer and solution.

The number which exceeds 16% of it by 42 is :

Select an option to see the answer and solution.

Solve this :
(23.6% of 1254) - (16.6% of 834) = ?

Select an option to see the answer and solution.

One-fourth of sixty percent of a number is equal to two-fifth of twenty percent of another number. What is the respective ratio of the first number to the second number ?

Select an option to see the answer and solution.

In an examination, 96% of students passed and 500 students failed. How many students did appear at the examination ?

Select an option to see the answer and solution.

The price of a certain item is increased by 15%. If consumer wants to keeps his expenditure on the item same as before, how much percent must he reduce his consumption of that item ?

Select an option to see the answer and solution.

The difference between 38% of a number and 24% of the same number is Rs. 135.10. What is 40% of that number ?

Select an option to see the answer and solution.

Aman's expense is 30% more than Vimal's and Vimal's expense is 10% less than Raman's. If the sum of their expenses is Rs. 6447, then what would be Aman's expense ?

Select an option to see the answer and solution.

If A is 150 percent of B, then B is what percent of (A + B) ?

Select an option to see the answer and solution.

From the salary of an officer, 10% is deducted as house rent, 20% of the rest, he spends on conveyance, 20% of the rest he pays as income tax and 10% of the balance, he spends on clothes. Then, he is left with Rs. 15552. Find his total salary.

Select an option to see the answer and solution.