Directions (1-5): Simplify and find the value of question marks (?) in following questions?
Q6. To make a 100 litre solution of acid 40% from 50%. How much water must added ?
(a) 50 litre
(b) 75 litre
(c) 15 litre
(d) 10 litre
(e) 25 litre
Q7. 5 men can do a work in 16 days and 8 women can do the same work in 15 days. In how many days 2 man and 3 women can do the work together?
(a) 22 days
(b) 20 days
(c) 21 days
(d) 18 days
(e) 24 days
Q8. A car can cover a distance in 9 hour at the speed of 70 km/hr at what percent should the speed of car increase so distance can covered in 6 hr.
Q9. The number obtained by interchanging the two digits of a two digit number is lesser than the original number by 54. If the sum of the two digits of number is 12, then what is the original number ?
Q10. What is the speed of car (in km/hr), which overtakes a running train in 20 second. Length of train is 180 meter and its speed is 33⅓% less than speed of car. (Car’s length is negligible)
(a) 100 km/hr
(b) 81 km/hr
(c) 105 km/hr
(d) 90 km/hr
(e) 97.2 km/hr
Directions (11-15): Given below is the pie chart which shows the percentage distribution of production of rice in six states i.e. A, B, C, D, E and F in year 2017.
Note: Ratio of total production of rice in these six states in year 2017 to year 2018 is 4 : 5.
Q11. If difference between the total production of rice in year 2017 and year 2018 is 3000 ton then find the sum of total production of rice in state C and E together in year 2017.
Q13. What is the ratio of total production of rice from state A and C together in year 2017 to the total production of rice from state B and F together in same year.
(a) 37 : 31
(b) 33 : 37
(c) 32 : 29
(d) 35 : 33
(e) 36 : 37
Q14. If percentage distribution of production of rice in year 2018 is same as in year 2017 for each state then production of rice in state A in year 2017 is what percent more or less than production of rice in state D in year 2018.
Q15. Total production of rice from state C and E together in year 2017 is what percent of total production of rice in year 2018 from all states.
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