Direction (1-5): What will replace the question mark (?) in the following series of numbers-
Q1. 288,286,280,268,248 ?
Directions (6-10): The bar graph below shows the number of orders placed by four different people (A, B, C and D) on two different days (Sunday and Monday). Study the bar diagram below and answer the following questions.
Q6. Find the difference in the total orders placed by all on both the days?
Q7. By what percentage the number of orders placed by C and D together on Sunday is more/less than the number of orders placed by A and B together on Monday?
Q8. Find the ratio of the orders placed by B on both days to the orders placed by A and D on Monday.
(a) 11: 10
(b) 12 : 13
(c) 1 : 1
(d) 15 : 16
(e) 15 : 14
Q9. The total number of orders placed by C on Sunday and Monday is what percentage of the total orders placed on Sunday?
Q10. What is the ratio of the orders placed by A, B and D together on Sunday to the total orders placed on Monday?
(b) 21 : 31
(c) 18 : 19
(d) 29 : 32
(E) 51 : 43
Q11. Train – A can cross a pillar in 16 seconds and a platform 600 meters long in 36 seconds. Find the time taken by train – A to cross train – B running in the same direction, if the speed and length of train – B are 72 kmph and 640 m respectively?
(a) 112 seconds
(b) 88 seconds
(c) 138 seconds
(d) 94 seconds
(e) 105 seconds
Q13. The amount should be divided between X, Y and Z. The quantity of Y is the average of the other two and equals Z when the quantity of Y is reduced by 20% of X. Find the amount of Z is what percent of the total amount?
Q14. A retailer marks an article 35% more than its cost and makes a profit of Rs.96 at a discount of 20% on the marked price. Find the profit a retailer makes by selling an article if he sells the article at a discount of 15% on the marked price.
Q15. Neha, who is 50% more efficient than Ritu, takes twice as much time as Priya to complete a task. Neha can complete a work in ‘x’ days while Priya can complete the same work in (x – 15) days. In how many days can three together complete the same work?
(a) 36 days
(b) 30 days
(c) 22.5 days
(d) 20 days
(e) 18 days