Question

Directions (Q.No-22 to 23) : In an imaginary language, the digits 0, 1, 2, 3,4, 5,
6, 7, 8 and 9 are substituted by a, b, c, d, e, f, g, h, i, and j. And 10 is Written
as ba.
(cd + ef)bc
is equal to
1) 684
2) 816
3) 916
4) 1564

Answer 1

Step-by-step explanation:

684684684684684684 684 6 84 684 684 684 184