engineering recuitment UPSSSC Assistant Boring Technician 2022 Mock Test Quantitative Aptitude Simplification Fractions
Among the people present in a hall, \(\frac{4}{7}\) is sitting on \(\frac{7}{12}\) of the available chairs and the rest are standing. If there are 20 empty chairs, how many people are standing in the hall?
1
42
2
21
3
35
4
28