Ashu had 24 pages to write. By the evening, he had completed 25% of his work. How many pages were left?
Correct option is A. 18 pages
Total pages is $$24$$
Pages completed $$25\%$$
Pages left is $$25\%$$ of $$24$$ $$=\dfrac{25}{100} \times 24 =\dfrac 14\times 24$$ $$= 6$$ pages
Pages read is $$6$$
Pages left is $$24 -6 = 18$$ pages