Question

41. If A+B17, B+ C= 8, C + D = 9 and A=
5D, then the value of A is:
(A) 15
(B) 5
(C) 10
(D) 20
(E) None of these​

Answer 1

Answer:

A+B=17

B+C=8

C+D=9 A=5D=5 (9-C) A=45-5C A=45-5 (8-B) A=45-40+5B A=5+5B A=5+5 (17-A) A=5+85 -5A 6A=90 A=90/6=15 A=15....option A is correct