A Box of 150 packets consists of 1kg and 2kg packets.Total weigth of the box is 264kg.How many 2kg packets are there?

+1 vote
141 views
A Box of 150 packets consists of 1kg and 2kg packets.Total weigth of the box is 264kg.How many 2kg packets are there?
posted Jan 14, 2016

Let's 1 kg packets=x
Then 2 kg packets=150-x
(x*1)+(150-x)*2=264
x=36
so 1 kg packets=36 nos
& 2 kg packets=150-36=114 nos
Ans: 2 kg packets are 114 nos.

2x+y=264 (where x and y are no. of packets of 2kg and 1kg repectively)
x+y=150
therefore x=114 any y=36
so, there are 114 packets of 2Kg.

Similar Puzzles

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box ?

+1 vote

There are 3 boxes.
One of the Box contains gold
and the other two are empty.
A Printed message contains in each Box.
One of the message is true
and the other two are lies.

The 1st box says "Gold is not here"
The 2nd box says "Gold is not here"
The 3rd box says "Gold is in the second box".
Which box has the Gold?