Ques:- Find out the wrong number in the series:
7, 8, 18, 57, 228, 1165, 6996
7, 8, 18, 57, 228, 1165, 6996
A. 228
B. 57
C. 18
D. 8
Ques:- What was the first polyester fiber invented in 1941 called?
A. Terylene
B. Poplin
C. Terry cot
D. Rubia