General Mathematics Part

16. If x is negative, all BUT which of the following must also be negative?

[Dhaka Bank MTO-2011 : 2011]

1. x³

1

2. 1/x³

2

3. 1/x (d

3

4. 1/x²

4

5. None of these

5
Answer
18. If (x² – y²)= 48 and (x – y)=4, what is the average of x and y?

[Dhaka Bank MTO-2011 : 2011]

1. 12

1

2. 10

2

3. 8

3

4. 6

4

5. None of these

5
Answer
19. The average score of students on a certain exam was 85.50. On the same Raju scored 90. What was Raju’s percent deviation from the average score?

[Dhaka Bank MTO-2011 : 2011]

1. 4.5%

1

2. 5%

2

3. 5.4%

3

4. 6%

4

5. None of these

5
Answer