Q1. The upstream speed of a boat isless than the downstream speed. The boat can go to a distance of 36 km and return back in 9h. The speed of current is how much percent of speed of boat in still water?
Q2. A trader sells a refrigerator at Rs 450 and he gains a profit of 20% and if he sells it at Rs 468.75, he gains a profit of 25%. Find the ratio of profit earned in both cases.
Q3. There are certain apples in a container, out of which are rotten. How much percentage of good apples should be mixed so that percentage of rotten apples decreases up to
Q4. Due to 25% increment in price of sugar, a family reduces its consumption by 20%. If initial expenditure of family was Rs 6400 then what is the percentage change in expenditure of family?
Q5. In a class, 60% students study science, 55% Arts and some of them study both subjects also. If total students who study both subjects is 90 and ratio of boys and girls in total students is 3 : 2 then no. of boys in the school is
Directions (6-10): The following table shows the total no. of voters in five different wards and ratio of male to female in them in five different years. Study the table carefully to answer the following questions.
Q6. What is the average no. of male voters in the years 2005 and 2007 together from the word-1?
Q7. What is the total no. of female voters in the year 2006 from all the wards together?
Q8. In which ward the total no. of female voters is more than that of male voters throughout all of the years. Find their (female voters) strength in that ward.
Q9. Total no. of male voters in the years 2006 and 2008 together from the ward 4 is how much percent more or less than total no. of male voters in the same years from ward-3?
Q10. What is the difference between total no. of male voters from the ward-5 in the years 2005, 2007 and 2009 together and total no. of female voters from the same ward in the same years together?
Directions (11-15): What will come in place of (?) in fallowing numbers series?
Q11. 125, 128, 119, 146, 65, ?
Q12. 8, 17, 30, 47, 68, ?
Q13. 24, 12, 12, 18, ?, 90
Q14. 5, 16, 49, 104, ?, 280
Q15. 13, 19, 30, 48, 75, ?