Q1. Raghuveer can do a work in certain days. Rohan can do 3/5 th of the same work in 18 days. If Ravi, Rohan and Raghuveer together can complete the whole work in 12 days and Raghuveer is 20% more efficient than Rohan, then in how many days Ravi alone can complete the work ?
Q2. A train starts from Delhi for Jammu at 8:00 A.M. Another train starts from Ludhiana Junction at 9:00 A.M for Jammu. If the distance between Delhi and Jammu is 480 km and distance between Delhi and Ludhiana is 160 km and both trains reach Jammu at same time, then find speed of second train. It is given that first train covers 1/6 th of total distance between Delhi and Jammu in first hour. While going to Jammu, first train passes through Ludhiana.
Q3. The cost price of a mat isless than it’s marked price. The shopkeeper sells this mat at Rs. 350 and makes a profit of. If no discount is offered then find profit percentage on mat.
Q5. The probability of being selected of Ramu, Ram pratap and Ankur in an interview is 3/5,2/3 and 1/4 respectively. Find the probability that at least one of them get selected.
Directions (6-10): What will come in place of the question mark (?) in the following number series?
Q6. 7, 20, 46, 98, 202, (?)
7 × 2 + 6 = 20
20 × 2 + 6 = 46
46 × 2 + 6 = 98
98 × 2 + 6 = 202
202 × 2 + 6 = 404 + 6 = 410
Q7. 210, 209, 213, 186, 202, (?)
210 – 1³ = 209
209 + 2² = 213
213 - 3³ = 186
186 + 4² = 202
202 - 5³ = 202 - 125 = 77
Q8. 567, 295, 159, 91, 57, ( ?)
∴ ? = 57 – 17 = 40
Q9. 45, 186, 283, 344, 377, ( ?)
×0.5+1,×1.5+3,×2.5+5,×3.5+7...........
⇒ 35 × 3.5 + 7 = 129.5
Directions (11-15): The following bar graph shows the percentage of chairs produced by two companies Neel Kamal and Raj Kamal during five different years.
Bar graph also shows the total no. of chairs produced in different years associated with it.
Study the graph carefully to answer the following questions.
Note: There are only two companies (Neel Kamal and Raj Kamal) producing chairs in the given years.
Q11. Total no. of chairs produced by Raj Kamal in 2005 and 2006 together is approximately how much percent more than that by Neel Kamal in the year 2004 and 2005 together?
Q12. Find the average no. of chairs produced by Raj Kamal in the years 2004, 2006 and 2007 together.
Q13. What is the ratio of no. of chairs produced by Neel Kamal in the years 2007 and 2008 together to that by Raj Kamal in the same years together?
Q14. Total no. of chairs produced in the years 2005 and 2006 together are what percent more or less than to that of total chairs produced in 2004 and 2007 together?
Q15. If 12% chairs out of total chairs produced in the year 2008 were defective and in them ratio of defective chairs by Raj Kamal and Neel Kamal is 2 : 3 then find the no. of defective chairs produced by Neel Kamal in the year 2008.
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