# Number MCQs - Math Qui. 9

MCQ. If length of a bed is measured and found to be 400 cm to nearest 10 cm, actual value of length could be anywhere between:

- 390 cm and 400 cm
- 395 cm and 400 cm
- 400 cm and 405 cm
- 395 cm and 405 cm

D

MCQ. Weight of a box of sweets is measured using a mass balance and is found to be equal to 250 g to nearest gram. upper bound of actual value of weight is:

- 249.5 g
- 250.5 g
- 249 g
- 251 g

B

MCQ. If value of A lies between 1.5 and 2.5 and value of B lies between 8.5 and 9.5, maximum value of A + B is equal to:

- 10
- 11
- 12
- None of above

C

MCQ. If value of A lies between 1.5 and 2.5 and value of B lies between 8.5 and 9.5, minimum value of A + B is equal to:

- 10
- 11
- 12
- None of above

C

MCQ. If value of A lies between 1.5 and 2.5 and value of B lies between 8.5 and 9.5, maximum value of A - B is equal to:

- 6
- 7
- 8
- None of above

C