## 2nd selected WBCS Arithmetic practice question set with answers

*Solve 10 carefully selected arithmetic practice questions set 2 for WBCS in 10 minutes. Verify answers. Learn to solve in time from linked solutions.*

It should be useful for **prelims of other competitive exams** also.

The **solution set** (linked at the end) explains how to solve the questions quickly in mind.

### WBCS arithmetic practice questions set 2: time to answer 10 mins

#### Problem 1

If sum of two numbers is 10 and the sum of their reciprocals is $\displaystyle\frac{5}{12}$, the numbers would be,

- 6 and 4
- 8 and 2
- 9 and 1
- 7 and 3

#### Problem 2

A man bought 4 trousers at Rs.750 each, 4 shirts at Rs.450 each and 12 pairs of shoes at Rs.750 each. What is the average expenditure per item?

- Rs.900
- Rs.1000
- Rs.690
- Rs.800

#### Problem 3

A dishonest dealer declares that he sells his goods at cost price, but actually he uses a false weight of 900gms for 1kg weight. His profit percentage is,

- $13%$
- $11.25%$
- $12\displaystyle\frac{1}{9}%$
- $11\displaystyle\frac{1}{9}%$

#### Problem 4

Which of $\sqrt[3]{3}$ and $\sqrt{2}$ is larger?

- $\sqrt[3]{3}$
- $\sqrt{2}$
- The two are equal
- None of the above

#### Problem 5

If P is 50% of Q and Q is 50% of R then, P : Q : R is,

- 4 : 2 : 1
- 1 : 2 : 4
- 2 : 1 : 4
- 1 : 4 : 2

#### Problem 6

The number of digits of the square root of 0.00059049 is,

- 6
- 5
- 3
- 4

#### Problem 7

What is the ratio of areas of two squares if the ratio of their diagonals is 5 : 2?

- 125 : 8
- 5 : 2
- 4 : 25
- 25 : 4

#### Problem 8

Two trains, each 100m long and moving in opposite directions, cross each other in 8 secs. If one is moving twice as fast as the other, the speed of the faster train is,

- 60km/hr
- 70km/hr
- 50km/hr
- 40km/hr

#### Problem 9

In what ratio must water be mixed with milk to make a profit of $16\displaystyle\frac{2}{3}$% on selling the diluted milk at cost price?

- 6 : 1
- 4 : 3
- 2 : 3
- 1 : 6

#### Problem 10

A policeman, while running to catch a thief, is 114m behind the thief. The policeman runs 21m and the thief runs 15m every minute. In what time will the policeman catch the thief?

- 18 minutes
- 16 minutes
- 19 minutes
- 17 minutes

* Solutions to these problems with conceptual explanation*, and how to solve the problems easily and quickly, are available in companion solution set,

* Solution to WBCS Math Question set for Arithmetic Practice 2*.

### Answers to the arithmetic practice questions set 2 for WBCS

**Problem 1. Answer:** Option a: 6 and 4.

**Problem 2. Answer:** Option c: Rs.690.

**Problem 3.** **Answer:** Option d: $11\displaystyle\frac{1}{9}$.

**Problem 4. Answer:** Option a: $\sqrt[3]{3}$.

**Problem 5.** **Answer:** Option b: 1 : 2 : 4.

**Problem 6.** **Answer:** Option d: 4.

**Problem 7.** **Answer:** Option d: $\displaystyle\frac{25}{4}$.

**Problem 8.** **Answer:** Option a: 60km/hr.

**Problem 9.** **Answer:** Option d: 1 : 6.

**Problem 10.** **Answer:** Option c: 19 minutes.

### Question and Solution sets on WBCS Arithmetic

**10 WBCS Math Questions - 12th Solved Arithmetic Practice Set**

**Solution to 11th WBCS Math Question set for Arithmetic Practice**

**11th WBCS Math Question set for Arithmetic Practice**

**Solution to 10th WBCS Math Question set for Arithmetic Practice**

**10th WBCS Math Question set for Arithmetic Practice**

**Solution to 9th WBCS Math Question set for Arithmetic Practice**

**9th WBCS Math Question set for Arithmetic Practice**

**Solution to 8th WBCS Math Question set for Arithmetic Practice**

**8th WBCS Math Question set for Arithmetic Practice**

**Solution to 7th WBCS Math Question set for Arithmetic Practice**

**7th WBCS Math Question set for Arithmetic Practice**

**Solution to 6th WBCS Math Question set for Arithmetic Practice**

**6th WBCS Math Question set for Arithmetic Practice**

**Solution to 5th WBCS Math Question set for Arithmetic Practice**

**5th WBCS Math Question set for Arithmetic Practice**

**Solution to 4th WBCS Math Question set for Arithmetic Practice**

**4th WBCS Math Question set for Arithmetic Practice**

**Solution to 3rd WBCS Math Question set for Arithmetic Practice**

**3rd WBCS Math Question set for Arithmetic Practice**

**Solution to 2nd WBCS Math Question set for Arithmetic Practice**

**2nd WBCS Math Question set for Arithmetic Practice**

**WBCS Main level Arithmetic Solution set 1**

**WBCS Main level Arithmetic Question set 1**