Subject :NSO Class : Class 4
Select the option which correctly matches the simple machine with the work it is used for.
A a - 4 , b - 3 , c - 1 , d - 2
B a - 3 , b - 1 , c - 4 , d - 2
C a - 1 , b - 2 , c - 4 , d - 3
D a - 2 , b - 1 , c - 3 , d - 4