Melin has `14 a` picture cards. if each picture card costs Rs. `3a b ,` determine the cost of picture cards possessed by Melin.

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?

15 picture postcards cost Rs 105. What will be the cost of 24 picture postcards? How many picture postcards can be bought forRs 56?

A dealer purchased 125 colour television sets. If the cost of each set is Rs. 19820, determine the cost of all sets together.

An electric cable costs Rs. 200. If the cable was 3m longer and each meter of cable cost Rs 2 less, the cost of the cable would remain unchanged. Represent the above situation in the form of quadratic equation.

If a card in drawn from a standard deck of 52 cards , what is the probaility of the event that the card is a picture card ? What in the probability of the event that the card is a spade ?

If a card in drawn from a standard deck of 52 cards , what is the probaility of the event that the card is a picture card ? What in the probability of the event that the card is a spade ?

A bus stop is barricaded from the remaining part of the road, by using 50 hollow cones made of recycled card-board. Each cone has a base diameter of 40cm and height 1m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 12 per m^2 , what will be the cost of painting all these cones (U s epi=3. 14a n dsqrt(1. 04)=1. 02))

A bus stop is barricaded from the remaining part of the road, by using 50 hollow cones made of recycled card-board. Each cone has a base diameter of 40cm and height 1m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 12 per m^2 , what will be the cost of painting all these cones (U s epi=3. 14a n dsqrt(1. 04)=1. 02))

There are two types of fertilizers F_(1) and F_(2).F_(1) consists of 10% nitrogen and 6% phosphoric acid and F_(2) contains 5% nitrogen and 10% phosphoric acid. After testing the soil condition a farmer finds that he needs at least 14 kg of nitrogen and 14 kg of phosphoric acid forhis crop. If F_(1) costs Rs. 6 per kg and F_(2) costs Rs. 5 perkg, determine how muchofeach of fertilizers beused so that nutrient requirements are met at a minimum cost. What is the minimum cost?