Question

The weight of 56 books is 8 kg. What is the weight of 154 such books? How many such books weigh 5kg?

Answer 1

Weight of 56 books =8Kg.

Using Unitary Method.

and

1 Kg Contains=56/8=7books.

Weight of 1 book =8/56=1/7 Kg

So weight og 154 such books=154/7=22Kg

And

Books weinghing 5Kg=5×7=35Books...

Answer 2

we solv it by the Unitary method

56 books= 8kg

1 book will weigh= 8/56 kg

So 152 such books will weigh

= 8/56 x 152

=21.714 kgs

Now, we have been asked how many such books will weigh upto 5 kg.

If 8 kg weight is of 56 books

Then 1 kg will be the weight of 56/8 books

And 5 kg will be the weight of 56/8 x 5 books

i.e., 7x5= 35 books

Hence 35 books will weigh upto 5 kg

hope this helps you ☺️☺️✌️✌️❤️❤️