2nd selected WBCS math question set for Arithmetic practice
10 WBCS math questions with answers are on number system, average, profit loss, indices, ratio, simple geometry, square root, train running, LCM.
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.
To refresh concepts on any topic and to know how to solve the questions quickly, refer to the concept articles listed below.
Or to skip the list and take the test straightaway, click here.
Concept tutorials and articles on Arithmetic
Number system, fractions and surds
Numbers, Number system and basic arithmetic operations
Factorization or finding out factors
Fractions and decimals, basic concepts part 1
How to solve surds part 1 rationalization
How to solve surds part 2 double square root surds and surd term factoring
How to find perfect square root of integers or decimals
Ratio and proportion and mixing liquids
Arithmetic problems on mixing liquids and based ages
How to solve arithmetic mixture problems in a few steps 1
How to solve arithmetic mixture problems in a few steps 2
Percentage
Basic and rich percentage concepts
Componendo dividendo
Componendo dividendo explained
Simple interest and compound interest
Basic and rich concepts on simple interest and compound interest
Work time, work wages and pipes and cisterns
How to solve arithmetic problems on work time, work wages and pipes and cisterns
How to solve time work problems in simpler steps type 1
How to solve time work problems in simpler steps type 2
Speed time distance, train problems and boats in rivers
Basic concepts on speed time distance, train running and boats and rivers
How to solve time distance problems in a few simple steps 1
How to solve time distance problems in a few simple steps 2
Profit and loss
How to solve in a few steps profit and loss problems 1
How to solve similar problems in a few seconds profit and loss problems 2
How to solve difficult profit and loss problems in a few steps 3
How to solve difficult profit and loss problems in a few steps 4
Clocks and Calendars
How to solve Calendar problems
2nd WBCS arithmetic practice question set: 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 questions
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