CBSE
0
60 kg
30 kg
80 kg
30 kg
81 :16
16:81
9:4
2:3
(i) Q (ii) R
(i) S (ii) R
(i) Q (ii) S
(i) Q (ii) P
5 gcm-3
1.8 gcm-3
16 cm
8 cm
20 cm
10 cm
C.
20 cm
5 %
0 %
0.08 %
0.008 %
8 %
0.08 %
0.8 %
0.008 %
10 kg
109
0.5 × 10-11
10-9
2 × 10-9