Question

20. A closed rectangular box of dimensions 3m, 2m and 1m respectively. Find
i) Cost of cloth to cover box completely if 1m2 cloth cost Rs.10
a) Rs. 22
b) Rs. 220 c) Rs. 2200 d) Rs. 200
(1m)
(1m)
(1m)
ii) The length of longest rod that can be kept in the box is:
a) 3 m
b) VIO m c) V12 m d) 14 m
ii) If one side (2m x 1m) of the box is removed, then surface area of remaining box is:
a) 22 m2
b) 18 m2 c) 20 m2
d) 6 m2
iv) Volume of the box is:
a) 6 m2
b) 6 m
c) 7 m
d) 7 m
v) The length of measurement of height of the box is:
a) 3 m
b) 2 m
c) 1 m
d) 6 m
(1m)
(1m)​

Answer 1

Guys this is answer for direct and inverse proportional so if you need it take it