Assistant Engineer (IT) 2016 [MCQ]

31. Sam can mow a lawn in 20 min, while Mark takes 10 min longer to mow the same lawn. How long will they take to mow the lawn if they work together?

[Assistant Engineer (IT) 2016 [MCQ] : 2016]

1. 12 min

1

2. 14 min

2

3. 15 min

3

4. more than 15 min

4
Answer
33. If an inspector rejects 0.08% of a product as defective, how many units of the product will he examined in order to reject 2?

[Assistant Engineer (IT) 2016 [MCQ] : 2016]

1. 500

1

2. 1500

2

3. 2000

3

4. 2500

4
Answer
34. A two-digit number has 3 in its unit digit. The sum of its digits is one seventh of the number itself. What is the number?

[Assistant Engineer (IT) 2016 [MCQ] : 2016]

1. 53

1

2. 63

2

3. 73

3

4. 83

4
Answer