Among the following options, identify the proper fractions:
1, 2, and 4
2, 3 and 5
2, 4 and 5
All of them
A proper fraction is a fraction in which the numerator is lesser than the denominator. Only B and D satisfy this condition.
Identify the proper fractions from the following:
1. 117
2. 37
3. 99999
4. 114788
5. 14100
Identify the homologous series among the following:
1. CHOOH
2. C2H3OOH
3. C2H6
4. C3H5OOH
5. Propanone