Ques:- Which country is the largest producer of gold in the world?
A. U.S.A.
B. South Africa
C. Russia
D. Switzerland
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
Ques:- Two trains are coming from opposite directions with speeds of 75 km/hr and 100 km/hr on two parallel tracks. At some moment the distance between them is 100 km. After T hours, distance between them is again 100 km. T is equal to
A. 1 hr
B. $$1{1} / {7}$$
C. $$1{1} / {2}$$
D. 2 hrs