Question

the cost of covering a box of length 18cm,width 12cm and height 6cm at the rate of RS 5per sq cm is:
a)Rs3960 b)Rs12480 c) RS 1800 d) RS 1200

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Answer 1

Step-by-step explanation:

for solving this question we have to use formula: 2(lb+bh+lh)

2(18×12+12×6+18×6)

=2(396)

=2×396= 792 cm

• 5 rupees per sq. cm
• 5×792

= Rs 3960 needed