Name of Section:

Senior Officer 2019 [MCQ]

46. Ifk:l=4:3 and l:m=5:3, then find k:l:m?

[Senior Officer 2019 [MCQ] : 2019]

1. 20:15:9

1

2. 18:24:11

2

3. 9:15:1

3

4. 21:7:3

4
Answer
47. The value of √10+√25+√108 +√154 + √225 is :

[Senior Officer 2019 [MCQ] : 2019]

1. 6

1

2. 2

2

3. 4

3

4. 8

4
Answer
48. A 270 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 seconds. What is the length of the other train?

[Senior Officer 2019 [MCQ] : 2019]

1. 230 m

1

2. 240 m

2

3. 260 m

3

4. 320 m

4
Answer
49. Three partners shared the profit in a business in the ratio 5:7:8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments?

[Senior Officer 2019 [MCQ] : 2019]

1. 10:14:16

1

2. 25:28:32

2

3. 38:28:21

3

4. 20:49: 64

4
Answer
50. In a class, there are 15 boys and 10 girls. Three students are selected at random. The SI9 m 979W anong probability that 1 girl and 2 boys are selected, is —

[Senior Officer 2019 [MCQ] : 2019]

1. ⅕

1

2. 21/46

2

3. 3/25

3

4. 1/50

4
Answer

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