1
MCQ (Single Correct Answer)
The number of significant figures in 0.06900 is
A
5
B
4
C
2
D
3
2
MCQ (Single Correct Answer)
The sum of the numbers 436.32, 227.2 and 0.301 in appropriate significant figures is
A
663.821
B
664
C
663.8
D
663.82
3
MCQ (Single Correct Answer)
The mass and volume of a body are 4.237 g and 2.5 cm3, respectively. The density of the material of the body in correct significant figures is
A
1.6048 g cm-3
B
1.69 g cm-3
C
1.7 g cm-3
D
1.695 g cm-3
4
MCQ (Single Correct Answer)
The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give
A
2.75 and 2.74
B
2.74 and 2.73
C
2.75 and 2.73
D
2.74 and 2.74
5
MCQ (Single Correct Answer)
The length and breadth of a rectangular sheet are 16.2 cm and 10.1 cm, respectively. The area of the sheet in appropriate significant figures and error is
A
164 ± 3 cm2
B
163.62 ± 2.6 cm2
C
163.6 ± 2.6 cm2
D
163.62 ± 3 cm2