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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?

Fifteen post cards cost Rs2.25. What will be the cost of 36 post cards? How many postcards can we buy in Rs 45?

If 9kg of rice costs Rs.120.60, what will 50kg of such a quality of rice cost ?(ii) Fifteen postcards cost Rs.2.25. What will be the cost of 36 postcards? How many postcards can we buy in Rs 45?

What is the number of ways of choosing 4 cards from a pack of 52 cards ? In how many of these Four cards are of same suit

What is the number of ways of choosing 4 cards from a pack of 52 cards ? In how many of these Four cards are face cards

In how many ways 5 letters can be posted in 4 post boxes.

There are 6 candidates for 3 posts. In how many ways can the posts be filled?

A servant has to post 5 letters and there are 4 letter boxes in how many ways can he post the letter is