Answers

2014-11-03T19:55:59+05:30
63 bulbs will be defective 
am i right
0
no. it'z a sum from ratio and proportion.. so it has to be solved accordingly
anyway the answer is correct. so thanks a ton..
wts it
first divide 630 by 10. the quotient is the number of defective bulbs
i did the same
2014-11-03T19:57:13+05:30
63 bulbs will be defective.
0