154 pens are to be distributed among A, B, C, and D in 2 : 3 : 4 : 5. If by mistake the ratio in which the pens is distributed is \(\frac{1}{2} : \frac{1}{3} : \frac{1}{4} : \frac{1}{5} \). Find the difference in the number of pens received by A.
1
77
2
48
3
40
4
38