West Bengal Staff Selection Commission (WBSSC) conducted WBSSC Food Supply Sub Inspector (SI) Recruitment 2014 Written examination on 27th July (27/07/2014) Sunday. The examination syllabus (question pattern) consists two separate part e.g 50 questions from Madhyamik (10th Standard) level General Arithmetic and 100 questions from General Studies & Knowledge (GK). Those candidates who seated the WBSSC Food Supply SubInspector (SI) Examination 2014, are anxiously awaiting for WBSSC Food Supply SI Exam Result, Official Answer Key, Expected cut off marks, Solved paper, Final Merit list etc. Today we publish the Arithmetic (Mathematics) part questions fully solved/answer paper (Jobrule Answer Key) provided by Assistant Professor (West Bengal) Md. Meezanur Rahaman (Thanks Md. Meezanur Sir for your very positive help and support to Jobrule)
Recommended:
SIF 2014 Result & Cut Off
West Bengal Staff Selection Commission (WBSSC) Food Supply SubInspector Jobs examination Result 2014. WBSSC Food Supply ASI (Question Booklet Series Code A, B, C & D) Jobrule Answer Key. WBSSC Food SI Mathematics Paper QuestionsAnswer by Prof. Md. Meezanur Rahaman. WBSSC Food SI Maths Answer Key with proper explanation (available on jobrule facebook page).
Question Booklet Series Code – D (Questions & Answers) (Special note given below). All Other Series Questions (A, B, C) are same as Booklet D (Just read the questions and check answer)
1

If the length of a rectangle is increased by 8 m its area increases by 72 sq.m. The breadth of the rectangle is ?


A

8 m

B

12 m

C

9 ,

D

Can not be concluded from the given data

2

Ration Principal and yearly amount is 16:17. The rate of interest per annum is


A

12 ½%

B

6 ¼%

C

5 15/17%

D 
10%

3

Area of a rectangle is 24 cm2 and perimeter 20 c.m , then length of diagonal is


A

2√7

B

2√11

C

2√13

D

2√17

4

Ratio of cost price and selling price is 5:4 .Then find the % of loss


A

15%

B

20%

C

25%

D

11 ½%

5

A=2P , B=A+3 C=B+3. The average of A, B and C is


A

P+3

B

2p+1

C

2p+3

D

3p+6

6

300 apples are distributed among A, B and C in such a way that three times of the number received by A may be equal to four times of B and 9 times that of C. The number of apples received by B is


A

108

B

100

C

104

D

118

7

If the sum of two numbers is 50 and there mean proportional is 15, then the numbers are


A

35, 15

B

25, 25

C

40, 10

D

45, 05

8

Rs.15000 being the worth of 0.25 part of a property, the worth of 0.03×0.5 part of the same property is (is INR)


A

9000

B

2250

C

1500

D

900

9

A number is as much greater than 21 as is less than 71. The number is


A

41

B

39

C

49

D

46

10

Find the principal, if the interest is Rs.180 per year @5% per annum


A

3000

B

3500

C

3600

D

4000

11

Rahul, Rohit, and Rawnak enter into a partnership business with investment of Rs.3500, Rs.4500 and Rs.5500. If the first 6 months profit is Rs.605, then share of Rahul in the profit will be (


A

Rs.200

B

Rs.105

C

Rs.250

D

Rs.150

12

In a partnership business, 3/4^{th} of A’s capital , 0.25 of B’s capital and 30% of C’s capital are equal, Share of profit of B in a total profit of Rs.52,000 is


A

Rs.8000

B

Rs.24000

C

Rs.30000

D

Rs.20000

13

Ratio of cost price and selling price is 10:11, then profit percentage is


A

5%

B

10%

C

11%

D

20%

14

In an examination 65% of the total number of examines passed. If the number of failures is 17% more than the number of candidates not appeared in the examination then total number of passed candidates is ?


A

620

B

310

C

106

D

403

15

12 person take 9 days to prepare 18 windows . The no of days required by 54 persons to prepare 45 windows ?


A

1

B

5

C

3

D

10

16

A rectangular field has an area of 864 sq.m .One of its side is 24 m. The ratio of its length and breadth is


A

6:5

B

3:2

C

4:3

D

9:5

17

If in “Y” years Rs.Z is obtained as simple interest @x% per annum, then the principal is


A

Rs. 100x/yz

B

Rs. 100yz/x

C

Rs. Xyz

D

Rs. 100z/xy

18

If the area of the four walls of a room is 88 sq.m and the perimeter of its floor is 22 m. Then the height of the room is (in M)


A

5

B

4

c

4.5

D

8

19

Rs.570 are to divided among A, B, and C so that their shares are in the ration 1/3:1/5:1/10 .The respective share of B is


A

Rs.180

B

Rs.300

C

Rs.90

D

Rs.120

20

If the ratio of the areas of two squares is 4:9 , then the ratio of their perimeters is


A

2:3

B

1 : 2√3

C

√2 : √6

D

3√2 : 1

21

Average age of three brothers and their father is 18 Years. Average age of these three brothers and their mother is 16 years . Mother ‘s age is 34 years. The age of the father is ?


A

42 Years

B

39 Years

C

40 Years

D

38 Years

22

The average of the least and the greatest prime number of two digits is


A

54

B

55

C

54.5

D

55.5

23

The Price of oil is increased by 20%. If the expenditure is not allowed to increase , the ratio between the reduction in consumption and the original consumption is


A

1:6

B

6:1

C

5:1

D

1:5

24

The ratio between the present age of A and B is 4:5. If the difference between their age is 8 years . Then the sum of their personal age is


A

32 years

B

40 years

C

65 years

D

72 years

25

If H.C.F of a and b be c , then L.C.M will be


A

Abc

B

Ab/c

C

Ac/b

D

c/ab

26

When a number of is divided by 63 the remainder is 25. When the number is divided by 7 the remainder will be


A

2

B

3

C

4

D

5

27

Price of an article is increased twice consecutively by 10% and as a result of the article becomes Rs.484 . Initial price of the article was


A

Rs.375

b

Rs.380

C

Rs.390

D

Rs.400

28

If Sourav runs at 31.2 kmph , then in 3 seconds he will run


A

26 m

B

30 m

C

35 m

D

42 m

29

A book seller sold two books for Rs.178 each. On one he gains 14% while on the other he losses 14%. His gain or loss in the whole transaction is


A

Loss of 1.41%

B

Gain of 2.56%

C

Gain of 4%

d

Loss of 1.96%

30

A man by a car at 15/16^{th} of its value and sells it for 10% more than its value. His gain percentage is


A

11.67

B

15.57

C

16.67

D

17.33

31

A person sold 320 mangoes for the cost price of 400 mangoes. His gain percent is


A

10%

B

15%

C

12 ½%

D

25%

32

If a, b and c are three sum of money such that b is the simple interest on a, c is the simple interest on b for the same time and the same rate of interest , then we have


A

a=bc

B

=ab

C

Abc=1

D

b2= ac

33

A four digit number is divisible by 7 becomes divisible by 3 when 10 is added to it. The jargest such number is


A

9987

B

9996

C

9999

D

9989

34

Two buses travel to a place at 25 kmph and 35 kmph respectively. If the second bus takes 16 ½% hr less than the first for the same journey, the length of journey is ?


A

1100 km

B

900 km

C

1350 km

D

785 km

35

The H.C.F of two number is 9 and their L.C.M is 270 . If the sum of the number is 99, their differences is equal to


A

18

B

15

C

12

D

09

36

The salaries of A, B, and C are in the ratio of 2:3:5 . The salary of B and C together is Rs.8000. Percentage of the salary of C more than of A by


A

150%

B

100%

C

200%

D

250%

37

Average of three numbers is 21 and the average of these three numbers and a fourth number is 18. The fourth number is


A

7

B

8.5

C

8

D

9

38

The average of 11 numbers is 6. If each number is multiplied by 7 then the average of the new set of numbers is


A

66

B

77

C

36

D

42

39

A train 150m long crosses a standing man in 5 seconds .The speed of the train is


A

108 kmph

B

32 kmph

C

112 kmph

D

40.5 kmph

40

The number 77 is divided into two parts such that H.C.F of two parts Is 11and their L.C.M is 110. The smaller of two parts is


A

11

B

22

C

44

D

55

41

A person is asked to simplify (2+2×2) (2÷2×2) and his answer is 16. The percentage error committed by him is


A

23.1

B

81.25

C

433.33

D

No error

42

If 37 ½% of a number is 45 then 87 ½% of the number will be


A

105

B

102

C

96

D

92

43

The simple interest of Rs.5250 from 1^{st} February, 2013 to April 14, 2013 at 7 ½% rate will be


A

Rs. 78.75

B

Rs. 104

C

Rs. 26.50

D

Rs. 104.25

44

2/3 of a number is greater than 1/6^{th} of its by 10. The number is


A

15

B

20

C

33

D

12

45

If the list price of an article be x and the price after discount (xy) , then the rate of discount is


A

Y%

B

100y/x%

C

100 x/y%

D

100y%

46

Speed of the steam is 2 km/hr . A boat takes 2 hours to cover a distance down the stream and 3 hours to return . Speed of the boat is


A

15 km/hr

B

20 km/hr

C

10 km/hr

D

25 km/hr

47

A certain number of men can finish a piece of work in 60 days. If, however, there were 10 men less, it would take 20 days more for the work to be finished. No of men were there originally


A

20

B

30

C

50

D

40

48

The recurring decimal fraction 0.3333 …. Α represents the real number


A

0.3

B

33/100

C

1/3

D

100/33

49

A carton containing 20 glass toys is dropped. Which of the following can not be the ratio broken toy to unbroken toy ?


A

1:4

B

3:1

C

3:2

D

5:1

50


A

Rs. 700

B

Rs.750

C

Rs.800

D

Rs.850

1. In above answer sheet , you can see only two questions (Q.No14 & 34) has no answer (green color). This is because the data is insufficient (for Q.No14) and all the 4 options are wrong (for Q.No34) .
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