Directions (1-5): - Bar graph given below shows time taken by five men to complete a work.
Q1. A work withof it’s efficiency and E works with x% of it’s efficiency so that they completed 1/8 th of total work in 3.6 days. Find value of x?
Q2. If D and C work for 12 days and remaining work will be completed in 6 days by B working alone with x% more than its efficiency, then find x%?
Q3. D starts the work and works for 9 days and then A replaces D and works for 7 days and remaining work is completed by C in 9 days. If they were paid Rs. 48000 for whole work, find share of A?
Q4. What is the ratio of time taken by B and E together to C and D together to complete the work?
Q5. If D works with 50% more than it’s efficiency and B works with 37.5% of it’s efficiency, find time taken to complete the whole work working together?
Q6. A student obtained equal marks in History and Sociology. The ratio of marks in Sociology and Geography is 2 : 3 and the ratio of marks in History and Philosophy is 1 : 2. He has scored an aggregate of 55 marks. The maximum marks in each subject is same. In how many subjects did he score equal to or greater than 60 marks?
Q7. 10 years ago the age of Karishma was 1/3rd of the age of Babita. 14 years hence the ratio of ages of Karishma and Babita will be 5 : 9. Find the ratio of their present ages of Karishma and Babita?
Q8. A, B, and C have amounts in the ratio of 3 : 4 : 5. First B gives 1/4 th to A and 1/4 th to C then C gives 1/6 th to A. Find the final ratio of amount of A, B and C, respectively:
Q9. A couple got married 9 years ago when the age of wife was 20% less than her husband. 6 years from now the age of wife will be only 12.5% less than her husband. Now they have six children including single, twins and triplets and the ratio of their ages is 2 : 3 : 4 respectively. What can be the maximum possible value for the present age of this family?
Q10. Mitthu Bhai sells rasgulla (a favorite indian sweets) at Rs. 15 per kg. A rasgulla is madeup of flour and sugar in the ratio of 5 : 3. The ratio of price of sugar and flour is 7 : 3 (per kg). Thus he earns profit. What is the cost price of sugar?
Directions (11-15): What will come in place of the question mark (?) in the following question ?