## 1st Question set on mixed Arithmetic topics and 12th for SSC CGL, Bank PO or similar exams

This is the 1st question set of 10 selected practice problems on Arithmetic mixed topics and 12th for SSC CGL, Bank PO or equivalent exams. Questions are on topics,

**Time and work****Pipes and cisterns****Profit and loss****Boats in rivers****Percentage****Simple interest and Compound interest****Discount**.

To get maximum benefits, you should complete this question set in prescribed time first and then only refer to the corresponding solution set.

**Answers** to the questions and link to the solution article are given at the end.

You may use the question set preferably as a **mini mock test** or as an exercise.

**Recommended reading for related concepts on Arithmetic topics, **

**Time and work, Pipes and cisterns:**Articlesand**Time and Work problems part 1**for**part 2**and**Mandays technique****Definition tuning approach****Time and work, Pipes and cisterns:**Tutorial on**How to solve arithmetic problems on work time, work wages and pipes cisterns****Speed time distance, Train running, Boats in rivers:**Tutorial on**Basic concepts on speed time distance, train running and boats in rivers****Simple interest and Compound interest:**Tutorial on**Basic and rich concepts on simple interest and compound interest****Percentage:**Tutorial on*Basic and rich percentage concepts***Profit and loss, Discount:**Articles,**How to solve profit and loss problems quickly episode 1**,**episode 2**and**episode 3**.**episode 4**

### First question set on mixed Arithmetic topics - 10 problems for SSC CGL, Bank PO or similar exams - time 12 mins

**Q1. **If 9 men working for 9 hours a day for each of the 9 days produce 108 units of work then, 6 men working 6 hours a day for each of the 6 days will produce units of work,

- 32
- 64
- 72
- 24

**Q2.** A swimmer swims from his starting point against current for 10 minutes and then swims backwards for next 10 minutes to reach a point distant 1000 meters from the starting point. The speed of the current then is,

- 2 km/hr
- 3 km/hr
- 4 km/hr
- 6 km/hr

**Q3.** A tank has three pipes, the pipes A and B together can empty the tank in half the time that C, the third pipe, takes to empty it alone. Pipe A working alone takes half the time taken by pipe B to empty the tank alone. Together the three pipes take 6 hours 40 minutes to empty the tank. The time that the pipe A takes to empty the tank alone in hrs is,

- 7
- 15
- 10
- 30

**Q4. **If A and B can finish a job together in 20 days, B and C together in 10 days and C and A in 12 days, then A, B and C together will finish the work in days,

- $8\displaystyle\frac{4}{7}$
- $30$
- $\displaystyle\frac{7}{60}$
- $4\displaystyle\frac{2}{7}$

**Q5. **A seller gives 4% discount on his marked price. What should be his marked price when the cost price is Rs. 200 and he wants to make a profit of 20%?

- Rs. 192
- Rs. 240
- Rs. 250
- Rs. 260

**Q6.** If a mobile telephone bill is paid before due date, the company gives a rebate of 4%. A person saves Rs. 13 by paying his bill before due date. What was his billed amount (in Rs.)?

- 225
- 125
- 325
- 425

** Q7.** The compound interest on a certain amount of money at a certain rate per year for two years is Rs. 2050 and the simple interest on same amount at same rate for three years is Rs. 3000. The amount of money is,

- Rs. 20,000
- Rs. 21,000
- Rs. 25,000
- Rs. 18,000

** Q8.** A tank is normally filled in 8 hours but takes another 2 hours more because of a leak in the tank. How long would it take for the full tank to get empty because of the leak?

- 25 hours
- 16 hours
- 40 hours
- 20 hours

**Q9.** If the rate of interest is 4% per annum in the first year and 3% per annum for the second year, the compound interest on Rs. 2000 in 2 years will be,

- Rs. 140.40
- Rs. 142.40
- Rs. 143.40
- Rs. 141.40

** Q10.** The marked price of trousers and shirts are in the ratio of 2 : 1. The seller gives 40% discount on the shirt. If the total discount on the set of trousers and shirt is 30%, the discount offered on the trousers is,

- 30%
- 25%
- 20%
- 15%

Answers are given at the end. For detailed solutions refer to the * SSC CGL level Solution Set 12, Arithmetic mixed*.

You may also watch the **video solutions** in,

### Answer to the questions

**Q1. Answer:** Option a: 32.

**Q2. Answer:** Option b : 3 km/hr.

**Q3. Answer:** Option b: 15.

**Q4. Answer:** Option a: $8\frac{4}{7}$.

**Q5. Answer:** Option c: Rs. 250.

**Q6. Answer:** Option c : 325.

**Q7. Answer:** Option a: Rs. 20,000.

**Q8. Answer:** Option c: 40 hours.

**Q9. Answer:** Option b: Rs. 142.40.

**Q10. Answer:** Option b: 25%.