If the cost of pens decreses by ₹ 6 per dozen then 3 more pens can be bought for ₹ 30. Fing the cost of pens per dozen before the decrement.

If he cost of 20 pens is Rs 110, find the number of pens that can be bought for R 33.

If the price of 1 dozen pen is reduced by ₨. 6, then 3 more pens will be got in ₨. 30. Calculate the price of 1 dozen pen before the reduction of price.

If the cost of 12 pens is ₹ 138, then the cost of 14 such pens is

The cost of 15 pens is Rs.375. Find, how many pens can be bought for Rs. 800.

If the cost of two pens is rsx, then the cost of three pens is ______.

If the cost of 20 pens is Rs 110, what is the cost of 4 pens ?

If the cost of a pen is ₹ 28.50 , find the cost of 48 such pens.

If 8 pens cost ₹ 356, what is the cost of 14 pens ?