A chemical solution contains 8% acid. If there is 15 ml acid in the solution. what is the volume of the solution?
PPSC 5 Years Past Papers Subject Wise (Solved with Details) / All — Multiple-choice practice
- A. 187.5 ml
- B. 187 ml
- C. 188 ml
- D. 197 ml
Correct answer
187.5 ml
Explanation
Explanation Let x be volume of the solution 8/100 × x = 15. 8/100 = 15/x. Cross multiplication. 8x = 15×100. x = 15 × 100/8. = 187.5 ml .
Continue with All MCQs, explore all PPSC 5 Years Past Papers Subject Wise (Solved with Details) topics, or try the All practice quiz.
More All questions
- Big Ben, a huge clock was installed at the British Parliament in which year?
- Partition of Bangal was made by?
- ______ is a narrow strip of territory which separates Pakistan, Afghanistan, China and Tajikistan.
- Response of plants to touch is called _____?
- اسلامی اقدار کے مطابق عزت کا معیار کیا ہے ؟
- KUNA is news agency of _____?
Found an error? Report a correction with this page URL and a supporting source.