Constable GD Examination 2022 Elementary Mathematics 01/02/2023 Shift IV

1) The LCM of 192 and 480 is 60 more than the 100 times of X. What is the value of X? 

1. 6 

2. 12 

3. 9 

4. 18 

2) Divide Rs.500 among A, B, C and D so that A and B together get thrice as much as C and D together, B gets 4 times what C gets and C gets 1.5 times as much as D. The value of B’s share is: 

1. Rs.250 

2. Rs.300 

3. Rs.125 

4. Rs.75 

3) A’s speed is 30% more than that of B. If A and B run a race on a 117 m length race, what part of the length of the race should A give B as a head start, so that the race ends in a dead heat? 

1. 90 m 

2. 117 m 

3. 27 m 

4. 36 m 

4) A single discount equivalent to two successive discounts 15% and 25% is:

1. 21¼ %

2. 21¼ %

3. 21¼ %

4. 36¼%

5) A certain sum of money fetches simple interest of Rs.4,016.25 at the rate of 7% per annum in 5 years. What is the sum? 

1. Rs.10,475 

2. Rs.9,475 

3. Rs.11,400 

4. Rs.11,475

6) A person drives for 320 kms in 8 hours, cycles for 40 kms in 5 hours and then walks for 40 kms in 7 hours. Find the average speed of the driver. 

1. 20 kmph 

2. 18 kmph 

3. 22 kmph 

4. 22.22 kmph

 

1. 4 

2. 0 

3. 1 

4. 2 

8) Two years ago, the population of a town was 66000. The population increased by 5% in the first year and decreased by 5% in the second year. Find the present population of the town. 

1. 68553 

2. 63855 

3. 65835 

4. 65583 

9) The radius of the base of a conical vessel is 5 cm and its height is 24 cm. The vessel is full of water. This water is poured into a cylindrical vessel having the base radius 10 cm. The depth of the water in the cylindrical vessel is: 

1. 1 cm 

2. 4 cm 

3. 2 cm 

4. 3 cm 

10) Three partners A, B and C started a business and decided to share the profit in the ratio 2 : 3 : 5, respectively. If the share of B is Rs.7,50,000, then calculate the total profit. 

1. Rs.24,00,000 

2. Rs.20,00,000 

3. Rs.25,00,000 

4. Rs.27,00,000

11) P can do as much work as Q and R together can do. P and Q can together do a piece of work in 8 hours and 24 minutes and R can do it in 42 hours. Find the time (in hours) that Q needs to do the work alone. 

1. 22 hours 

2. 24 hours 

3. 21 hours 

4. 20 hours

12) Salary of a person is first decreased by 40 percent and then increased by 40 percent. What will be the percentage decrease in the salary ?

1. 18 percent 

2. 12 percent 

3. 16 percent 

4. 15 percent

13) Find the total surface area of a cylinder whose height is 8.5 mm and the base diameter is 10 mm. 

1. 135π mm² 

2. 85.5π mm² 

3. 67.5π mm² 

4. 120π mm² 

14) Excluding the stoppages, the speed of a truck is 90 km/h and including the stoppages, the speed of the truck is 36 km/h in a journey. For how many minutes does the truck stop per hour? 

1. 54 minutes 

2. 36 minutes 

3. 40 minutes 

4. 42 minutes

15) A dealer offers 20% discount on all dolls. He offers a further discount of 5% on the reduced price to those customers who pay in cash. How much will a customer pay in cash for a doll worth Rs.1,800? 

1. Rs.800 

2. Rs.1,368 

3. Rs.1,225 

4. Rs.1,532

16) In a storm 243 trees were left standing out of 300 trees in a garden. What is the percentage decrease in number of trees?

1. 19 percent 

2. 22 percent 

3. 24 percent 

4. 21 percent 

17) A shopkeeper sells his goods at 10 percent loss on cost price but uses 30 percent less weight. What is his profit? 

 

 

 

18) If 6 men or 8 women can reap a field in 21.5 days. How long will 14 men and 10 women take to reap it? 

1. 9 days 

2. 8 days 

3. 6 days 

4. 12 days 

19) The average of the cube of the first 4 natural numbers is: 

1. 25 

2. 100 

3. 75 

4. 50 

20) Rita buys a toy car for Rs.12,000 and sells it for Rs.14,500. What is her gain percent? (rounded off to two digits after decimal) 

1. 20.83%

2. 18% 

3. 22% 

4. 14.50%