4/15 of 393 + 7/12 of 473 = ? × (1.99 + 1.01)
A.127
B.137
C.157
D.177
E.147
Sol:
4/15 of 393 + 7/12 of 473= ?x (1.99 + 1.01)
or, ? x 3 = (4/15) x 393 + (7/12) x 473
or, ? x 3 = (4/15) x390 + (7/12) x 473
or, ? x 3 = 104 + 276
or, ? = 380/3 = 126.667 = 127
