Ques:- What was the first polyester fiber invented in 1941 called?
A. Terylene
B. Poplin
C. Terry cot
D. Rubia
Ques:- There is a leak in the bottom of a cistern. When the cisternis thoroughly repaired, it would be filled in 3 ? hours. It now takes half an hour longer. If the cistern is full, howlong will the leak take to empty the cistern?
A. 24 hours
B. 28 hours
C. 21 hours
D. 27 hours
E. None of these
Ques:- Find out the wrong number in the series:
6, 12, 48, 100, 384, 768, 3072
6, 12, 48, 100, 384, 768, 3072
A. 48
B. 100
C. 384
D. 768
Ques:- A, B, C enter into a partnership investing Rs.35,000, Rs.45,000 and Rs.55,000 respectively. The respective shares of A, B, C in an annual profit of Rs.40,500 are
A. Rs. 10,500, Rs. 13,500, Rs. 16,500
B. Rs. 11,000, Rs. 14,000, Rs. 15,500
C. Rs. 11,500, Rs. 13,000, Rs. 16,000
D. Rs. 11,500, Rs. 12,500, Rs. 16,500
Ques:- The product of two numbers is 1320 and their HCF is 6. The LCM of the numbers is
A. 220
B. 1314
C. 1326
D. 7920