Advertisements
Advertisements
Question
In a 120 litre of solution of Acid and water, acid is 75%. A person takes out 20 litres of this solution and added 16.2 litres of acid and 3.8 litres of water in the remaining solution. What is the percentage of water in the final solution?
Options
22
24
25
28
Advertisements
Solution
24
Explanation:
In 100 `"l"`,
Acid`=100xx75/100=75 l.`
water = 100 − 75 = 25`l.`
when, 16.2 `l` acid and 3.8 `l` water added,
then, water = 25 + 3.8 = 28.8 `l`.
total volume of solution,
= 100 + 16.2 + 3.8 = 120 `l`.
water %`=28.8/120xx100=24%.`
APPEARS IN
RELATED QUESTIONS
Customised jewellery was sold at L 1000 with 90% discount on the 'making charges'. 11' the payment made for making charges was Z 100, what is the appropriate rate of discount on the product?
Francis has 18 eggs out of which 12 eggs were sold at 10% less than the cost price. At what mark up should he sell the remaining eggs to cover his losses?
If n2 = 12345678987654321, what is n?
Choose the most appropriate option:
A man earns ₹ 20 on the first day and spends ₹15 on the next day. He again earns ₹20 on the third day and spends ₹15 on the fourth day. If he continues to save in this way, how soon will he have ₹60 in hand?
Three candidates contested an election and received 1136, 7636 and 11628 votes, respectively. What percentage of the total votes did the winning candidate get?
Two tailors X and Y are paid a total of ₹ 550 per week by their employer. If X is paid 120% of the sum paid to Y. Then, how much is Y paid per week?
A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had
A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?
In a test, a candidate secured 336 marks out of maximum marks x. If the maximum marks x had been converted into 400 marks, he would have secured 192 marks. What was the maximum marks of the test?
A has some mangoes. He sold 40% more than he ate. If he sold 70 mangoes, how many did he eat?
