Question 6: If (2x-y)=4 then (6x-3y)=?
1. 15
2. 12
3. 18
4. 10
Question 5: A shop keeper sold a T.V set for Rs.17,940 with a discount of 8% and earned a profit of 19.6%.What would have been the percentage of profit earned if no discount was offered?
1. 24.8%
2. 25%
3. 26.4%
4. Cannot be determined
5. None of these
Question 4: At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand?
1. 4:21:49.5
2. 4:27:49.5
3. 3:21:49.5
4. 4:21:44.5
Question 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 kmph
2. 7/12 kmph
3. 5 kmph
4. none of these
Question 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%