SBI Clerk and SBI PO Prelims exam are going to be held in the upcoming months. We have already provided you with the PDFs of many topics of Quantitative Aptitude like Simplification/Approximation, Number Series,datainterpretation.important Arithmetic questions to prepare for SBI Clerk and PO Pre exam. Practicing these questions will help you to know about the level of the questions. To increase your speed and accuracy, enhance your calculations.

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__START TEST__

1.5 years hence the respective ratio of Arun’s and Bala’ age will be 7 :5 and that of Bala’s and Chitra’s age will be 10:9. 10 years ago, if the sum of Arun’s and Chitra’s age was 62 years, what is Bala’s present age?(in years)

1. 30

2. 45

3. 40

4. 25

5. 35

2.Arun and Bala started a business by investing Rs X & Rs (X+3000) respectively. After 9 months from the start of the business, Bala left. If the respective ratio in Arun’s share and Bala’s share in annual profit is 8:9, what is the value of (X+3000)?

1. 6000

2. 3000

3. 4500

4. 9000

5. 5000

3.Three numbers are given. The average of first and the second number is greater than the average of the second and the third number by 28. If the respective ratio of first and third number is 9 : 2, what is the third number?

1. 12

2. 18

3. 16

4. 14

5. 15

4.A train can cross an electric pole in 12 seconds. Had the length of the train been 80 metre less, it could have crossed 500 m long platform in 28 seconds. What is the length of the train?

1. 275 m

2. 300 m

3. 330 m

4. 315 m

5. 342 m

5.The respective ratio of speed of a boat downstream and speed of water current is 5:2. If the boat can travel 12.6 km in 84 minutes downstream, what is the speed of water current? (in kmph)

1. 3.2 kmph

2. 3.5 kmph

3. 3.6 kmph

4. 4.5 kmph

5. 4.8 kmph

6.The population of city B was 2400 in 2013. It increased by 10% from 2013 to 2014 and by a certain percent from 2014 to 2015. If the population of city B was 3036 in 2015, what was the percent increase in population from 2014 to 2015?

1. 17.5%

2. 10%

3. 20%

4. 15%

5. 12.5%

7.If the percentage profit is equal to the labeled price and when the watch is sold for hundred rupees more than the labeled price, the percentage profit is increased by 5%. Find the labeled price of the watch?

1. 2000

2. 1200

3. 1600

4. Data inadequate

5. None of these

8.6 men and 6 children together can complete a piece of work in 6 days . In how many days can 15 men alone complete the same work if 9 children alone can complete it in 10 days?

1. 5

2. 6

3. 7

4. 10

5. 4

9.The average age of A, B and C is 22 years. 3 years ago the average age of B and C is 18 years. Find the age of A, 9 years hence.

1. 36

2. 30

3. 34

4. 33

5. 32

10.

17 25 16 80 55 ?

1. 251

2. 271

3. 341

4. 289

5. 312

__SOLUTIONS:__*1.Answer – 5) 35*

Explanation:

Sum of the present ages of Arun & Chitra is (62+20)=82 years

5 years hence ,

Arun:Bala=7:5=14:10

Bala:Chitra=10:9

Arun:Bala:Chitra=14:10:9

14X+9X-10=82

X=4

Bala’s present age = 10X-5=(10 *4-5) =35 years

2.Answer – 4) 9000

Explanation:

12X/(X+3000) *9 = 8/9

X=6000

X+3000 = 9000

3.Answer – 3) 16

Explanation:

Let the numbers be a,b & c

(a+b)/2 –(b+c)/=28

a-c= 56

a:c= 9:2

9X-2X= 56

X=8

Third number =2X=2*8=16

4.Answer – 4) 315 m

Explanation:

length of the train = X m

Speed of train = X/12

(X-80)+ 500=X/12 *28

X=315 m

5.Answer – 3) 3.6 kmph

Explanation:

Rate of downstream of boat = (126 *60)/84 = 9 kmph

Speed of current =9/5 * 2 =3.6 kmph

6.Answer – 4) 15%

Explanation:

Rate of increase in population during 2014-2015 =%

2400 *110/100* (1+X/100)=3036

X=15%

7.Answer – 1) 2000

Explanation:

Labeled price be Rs X

Selling price =X + 100

X + 100= (105X)/100

X=2000

8.Answer – 5) 4

Explanation:

9 children→ 10 days .

6 children can complete the work in (10 *9)/6=15 days

6 children in 6 days → 6/15=2/5 part

The remaining part =3/5 will be completed by 6 men in 6 days

6 men’s work in 1 day = 3 * (5 *6)=1/10 part

6 men can complete the work in 10 days

15 men can complete the work in (6 *10)/15=4 days

9.Answer – 4) 33

Explanation:

A + B + C = 66

B + C = 18 * 2 = 36(3 years ago)

Present age of B + C = 36 + 6 = 42

A = 66-42 = 24

Age of A after 9 years = 33

10.Answer – 2) 271

Explanation:

17 + 2^3 = 25

25 – 3^2 = 16

16 + 4^3 = 80

80 – 5^2 = 55

55 + 6^3 = 271