Kerala Board Solutions for Chapter: Letter Math, Exercise 4: Exercise 4

What is the total price of $5$ pens, each of price $8$ rupees? What is the price of $10$ notebooks, each of price $12$ rupees?

In what all ways can we say the relation between the price of something, the number bought and the total price?

What is the total price of $5$ pens, each of price $8$ rupees? What is the price of $10$ notebooks, each of price $12$ rupees?

Taking the price of an article as $p$, their number as $n$ and the total price as $t$, in what all ways can we write the relations between $p, n$ and $t$?

One litre of kerosene weighs $800$ grams. If the weight of $\frac{1}{2}$ litre of kerosene is $k$ kilograms, then find the value of $k$ upto one decimal place.

One litre of kerosene weighs $800$ grams. If the weight of $\frac{1}{2}$ litre of kerosene is $k$ kilograms, then find the value of $k$ up to one decimal place.

One litre of kerosene weighs $800$ grams. If the weight of $1$ millilitre of kerosene is $k$ grams, then find the value of $k$.

One litre of kerosene weighs $800$ grams. Taking the weight of $v$ millilitres of kerosene as $w$ grams, write a relation between $v$ and $w$.

One cubic centimetre of iron weighs $7.8$ grams. Taking the volume of an iron object as $v$ cubic centimetres and weight $w$ grams, write a relation between $v$ and $w$.

One cubic centimetre of iron weighs $7.8$ grams. Taking the length, breadth and height of a rectangular block of iron as $l, b, h$ and its weight as $w$, write a relation between $l, b, h$ and $w$.