Ques:- What is the minimum number of four digits formed by using the digit 2, 3, 0, 7?
A. 2047
B. 2247
C. 2407
D. 2470
Ques:- The prime numbers dividing 143 and leaving a remainder of 3 in each case are
A. 2 and 11
B. 3 and 7
C. 5 and 7
D. 11 and 13
Ques:- What was the first polyester fiber invented in 1941 called?
A. Terylene
B. Poplin
C. Terry cot
D. Rubia