Ques:- What was the first polyester fiber invented in 1941 called?
A. Terylene
B. Poplin
C. Terry cot
D. Rubia
Ques:- Find out the wrong number in each sequence:
8, 13, 21, 32, 47, 63, 83
8, 13, 21, 32, 47, 63, 83
A. 32
B. 47
C. 63
D. 83