
Ques:- What was the first polyester fiber invented in 1941 called?
A. Terylene
B. Poplin
C. Terry cot
D. Rubia
Ques:- A sum of Rs. 64 is made up of 80 coins which are either 100 paise or 50 paise coins. How many coins are of 50 paise?
A. 22
B. 32
C. 42
D. 52
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