Q3. The number 12,000 is first decreased by 25% and then increased by 25%. Find the resulting number. Q4. In an examination, a candidate secured 125 marks and failed by 15 marks. If the pass percentage was 35%; find the maximum marks.

Q5. The cost of an article is first decreased by 25% and

then further decreased by 40%. Find the percentage

change in the cost of the article.

Q6. A’s income is 25% more than B’s. Find, how much

percent B’s income is less than A’s?

Q7. Mohit sold a T. V. for ₹ 3,600; gaining one-sixth of its

selling price. Find:

(i) The gain,

(ii) The gain percent.​