`120` copies of a book cost Rs `540`. What will 400 copies of this cost ?

If 6 bowls cost Rs 96. What will be the cost of 15 such bowls?

6 bowls cost Rs 90. What would be the cost of 10 such bowls?

2.25 m of a cloth costs Rs 326.25 What is the cost of 1m of cloth ?

If one guitar costs Rs. 15,000. What will be the cost of 6 guitars?

Five pens cost Rs 115. How much will 7 pens cost ?

40 chocolate bars cost Rs 800. What will be the cost of 65 chocolate bars ? How many chocolate bars can we buy for Rs 1680 ?

Fifteen post cards cost Rs 2.25. What will be the cost of 36 post cards? How many postcards can we buy in Rs 45?

Fifteen post cards cost Rs 2.25. What will be the cost of 36 post cards? How many postcards can we buy in Rs 45?

A rail journey of 75 km costs Rs 215. How much will a journey of 120 km cost?

A rail journey of 75 km costs Rs 215. How much will a journey of 120 km cost?