**Directions (1-3): Working efficiency of A is 20% more than that of B. B can complete a work ‘X’ in 36 days.**

B and C together started to complete the work ‘X’ and after 10 days they both left the work and then remaining work is done by A alone in 15 days.

A and C together started to complete another work ‘Y’ and after working for 12 days they both left the work. Remaining work is done by B alone in 16 days. D first completed work ‘X’ and then completed work ‘Y’ in total 38 days.

It is given that efficiency of all, in completing work ‘X’ and work ‘Y’ is same.

**Q1. A, B and C working together completed ⅓rd of work ‘X’, and then A and C are replaced by D. Now remaining of work ‘X’ is completed by B and D together. For how many days B worked? **

(a) 12 days

(b) 10 days

(c) 15 days

(d) 4 days

(e) 8 days

**Q2. A, C and D working simultaneously completed work ‘X’ in ‘n’ days and A, B, C and D working simultaneously completed work ‘Y’ in ‘m’ days. Find the value of (m+n). **

(a) 15 days

(b) 10 days

(c) 12 days

(d) 8 days

(e) 17 days

**Q3. A person E starts the work ‘X’ and leave after 12 days, then B and C complete the remaining work in 8 days. What is the ratio of number of days taken by A and E together to complete the work ‘X’ to the number of days taken by D, B and C together to complete the both work ‘X’ and ‘Y’ . **

(a) 3 : 5

(b) 5 : 3

(c) 8 : 7

(d) 1 : 2

(e) 2 : 3

**Directions (4-5): Abhishek bought some chairs and tables from a shopkeeper. The marked price of a chair and a table were in the ratio 5 : 8. The shopkeeper gave discounts of 20% and 25% on the chair & the table respectively. The ratio of number of chairs and tables bought by Abhishek is 6 : 5.**

**Q4. If Abhishek sells each chair and table bought by him at discounts of 25% and 20% respectively after marking up the prices of both by 50% and gives one table free for every four chairs bought by a customer and only ⅔rd of the total chairs are sold in bunch of four chairs, then what is the net profit /loss % made by Abhishek after selling all of the items which he bought from the shopkeeper? **

(a) 6⅔%

(b) 3⅓%

(c) 2 ½ %

(d) 4 ¼ %

(e) 5 %

**Q5. If the marked price of a table set by the shopkeeper was Rs.300 more than that of a chair and the total expenditure made by Abhishek in purchasing the chairs and table from the shopkeeper was Rs.108000, then how many chairs were purchased by Abhishek? **

(a) 150

(b) 60

(c) 120

(d) 90

(e) 80

**Q6. What is the difference of the amount spent on food (excluding saving) and the amount spent on travel by car by Mohit? **

(a)Rs 3500

(b)Rs 2520

(c)Rs 1125

(d)Rs 2550

(e)Rs 2250

**Q7. Mohit’s total salary is?**

(a)Rs 22000

(b)Rs 24000

(c)Rs 26000

(d)Rs 21000

(e)Rs 23000

**Directions (8-10): There are three sections A, B and C in a class. Every section has some boy and some girl students in it. Probability of a girl being selected when one student is selected randomly from section A is 2/5, that from section B is 4/9 and that from section C is 5/9. **

**Q8. If the ratio of total number of students in sections A, B and C is 10 : 12 : 9, then what is the probability of a girl being selected when one student is selected randomly from the students from all the three sections together? **

(a) 14/31

(b) 11/23

(c) 13/31

(d) 43/93

(e) Cannot be determined

**Q9. If the number of girls in sections A is same as the number of boys in section C, then what is the ratio of number of boys in section A to the number of boys in section C? **

(a) 2 : 3

(b) 3 : 4

(c) 3 : 2

(d) 4 : 3

(e) 3 : 5

**Q10. If 20 girls leaves section B, then the probability of a boy being selected when one student is selected randomly from this section will be 5/8. What is the number of boys in section B? **

(a) 120

(b) 100

(c) 75

(d) 60

(e) Cannot be determined

**Solutions**

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