1: The largest copper producing country in the World is1. Chile2. Russia3. South Africa4. China
Ans: 1.
2: If the radius of a circle is diminished by 10%, then its area is diminished by:1. 10%2. 19%3. 20%4. 36%
Ans: 2.
3: A boat travels 20 kms upstream in 6 hrs and 18 kms downstream in 4 hrs.Find the speed of the boat in still water and the speed of the water current?1. 1/2 kmph2. 7/12 kmph3. 5 kmph4. none of these
Ans: 2.
4: At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand?1. 4:21:49.52. 4:27:49.53....