engineering recuitment Rajasthan Informatics Assistant (Suchna Sahayak) Mock Test 2023 Quantitative Aptitude Number System Quick Math
\(\frac{1}{8}\)th part of a pencil is black and \(\frac{1}{2}\) part of the remaining is white. If the remaining part is blue and length of this blue part is 3\(\frac{1}{2}\) cm, then find the length of the pencil.
1
6 cm
2
7 cm
3
8 cm
4
9 cm