" 3.If "15" envelopes cost "₹11.25" ,what is the cost of "20" such envelopes? "

If 15 envelope cost Rs 11.25.what is the cost of such 20 envelopes?

Solve any two sub questions from the following : The cost of 70 envelopes is ₹ 595. What is the cost of 24 such envelopes?

If 15 pens cost Rs. 35, what is the cost of 39 pens?

If 15 oranges cost ₹ 70. what is the cost of 39 oranges?

What are the functions of nuclear envelope?

The cell envelope

The cell envelope

What is the characteristic of nuclear envelope