In this article, we have disclosed 25 questions from Elementary mathematics section of SSC GD Constable 2015 exam held in evening shift. Go through all questions and prepare your study plans for upcoming SSC-GD Constable 2017. It is observed that SSC used to put previous year questions in the running exams. Let us take a look-

**Part C: Elementary Mathematics**

**1. The time required for a boy to travel along the external and internal boundaries of a circular path are in the ratio 20:19. If the width of the path be 5 metres, the internal diameter is:**

a) 195 metres

b) 192 metres

c) 190 metres

d) 180 metres

**2. A man rows 750 m in 600 seconds against the stream and returns in 7 ½ minutes. Its rowing speed in still water is (in Km/hr).**

a) 5.75

b) 5

c) 5.5

d) 5.25

**3. Ram bought a bike for Rs. 60,000. He paid Rs. 10000 cash down and the rest at the end of 2 years at 15% simple interest. How much more did he pay as simple interest?**

a) Rs. 25,000

b) Rs. 15,000

c) Rs. 50,000

D) Rs. 35,000

**4. If Rs. 510 be divided among A, B, C in such a way that A gets 2/3 of what B gets and B gets 1/4 of what C gets then their shares are respectively-**

a) Rs. 150, Rs. 300, Rs. 60

b) Rs. 60, Rs. 90, Rs 360

c) Rs. 150, Rs. 240, Rs. 120

d) Rs. 120, Rs. 240, Rs. 150

**5. Six friends have an average height of 167 cms. A boy with height 162 cm leaves the group. Find the new average height.**

a) 167 cm

b) 168 cm

c) 169 cm

d) 166 cm

**Question Nos. 6 to 7**

** **

**Directions: The following pie-chart shows the market share of four companies S, T, U and V. Total market is worth Rs. 72 crores. Study the pie-chart and answer the questions.**

6. The difference of market shares of companies V and U is?

a) 4 Cores

b) 8 Cores

c) 6 Cores

d) 9 Cores

7. The company having maximum market share is?

a) S

b) T

c) V

d) U

**8. A house worth Rs. 1,50,000 is sold by X to Y at 5% profit. Y sells the house back to X at 2% loss. Then in the entire transaction:**

a) X loses Rs. 1350

b) X gains Rs. 4350

c) X less Rs. 4350

d) X gains Rs. 3150

**9. The three angles of a triangle are in the ratio 3 : 4 : 5. Then the angles are:**

a) 60^{0}, 45^{0}, 75^{0}

b) 75^{0}, 60^{0}, 45^{0}

c) 45^{0}, 60^{0}, 75^{0}

d) 60^{0}, 75^{0}, 45^{0}

**10. The sum of all natural numbers from 75 to 97 is:**

a) 1958

b) 1598

c) 1798

d) 1978

**11. The sum of two positive numbers is 20% of the sum of their squares and 25% of the difference of their squares. If the numbers are X and Y then**

** **

**X + Y / X ^{2} is equal to-**

a) 1/3

b) 3/8

c) 2/9

d) ¼

**12. What should be the least number of years in which the simple interest on Rs. 2600 at 22/3% will be an exact number of rupees?**

a) 4

b) 3

c) 5

d) 2

**13. The amount of rice produced in square field of side 50m is 750Kg. The amount of rice produced in a similar square field of side 100m will be-**

a) 2000 Kg

b) 1500 Kg

c) 3000 Kg

d) 3500 Kg

**14. The average weight of 8 persons increases by 2.5 Kg when a new person comes in place of one of them weighing 65 Kg. The weight of the new person is-**

a) 76 Kg

b) 84 Kg

c) 85 Kg

d) 76.5 Kg

**15. A seller gains 20% profit even after allowing 10% discount. If the amount of profit on TV set is Rs. 750, then the marked price of the TV set is:**

a) Rs. 5000

b) Rs. 5500

c) Rs. 4800

d) Rs. 5200

**16. The average age of a husband and his wife was 23 years at the time of their marriage. After five years they have a one year old child. The average age of the family now is-**

a) 28.5 years

b) 19 years

c) 23 years

d) 29.3 years

**17. 8 children and 12 men complete a certain piece of work in 9 days. Each child takes twice the time take by a man to finish the work. In how many days will 12 men finish the same work?**

a) 9 days

b) 12 days

c) 13 days

d) 15 days

**18. If x, y are rational numbers and**

** **

**The value of x and y are:**

**19. A scooter is sold at three successive discounts of 10%, 5% and 2%. If the marked price of the scooter is Rs. 18,000, find its net selling price.**

a) Rs. 15080.00

b) Rs. 15082.00

c) Rs. 15082.20

d) Rs. 15028.20

**20. Ritu purchased 2 ½ dozens eggs at rate of Rs. 20 per dozen. She found that 6 eggs were rotten. She sold the remaining eggs at the rate of Rs. 22 per dozen. Then her profit or loss percent is:**

a) 12% profit

b) 10% loss

c) 10% profit

d) 12% loss

**21. A 200 metres long train is running at a speed of 72 Km/hr. How long will it take to cross 800m long bridge?**

a) 60 second

b) 40 second

c) 30 second

d) 50 second

**22. A certain number of men can do a work in 40 days. If there were 8 men were there initially?**

a) 16

b) 24

c) 20

d) 30

**23. **

a) 111.6

b) 121.6

c) 40

d) 160

**24. A man allow a discount of 10% on a book whose marked price is Rs. 40. What is the cost price so that the profit is 20%?**

a) Rs. 35

b) Rs. 40

c) Rs. 30

d) Rs. 45

**25. If the radius of a circle is decreased by 10%, then the area of the circle is decreased by:**

a) 25%

b) 18%

c) 89%

d) 19%