The ratio of the costs of two houses is `4 :3` and the cost of the second house is 4,20,000 rupees. Find the cost of the first house. If the cost of the first house was 70,000 rupees more, then find the ratio of their costs.

The ratio fo the Costs of two houeses is 4 : 3 and the cost of the secon house is Rs. 4,20,000. Let's find the cost of the first house. If the cost of the first house was Rs. 70,000 more then let's find the ratio of their costs.

The ratio of the prices of two books is 2:5 . If the price of the first book is 32.50 rupees , find the price of the other book.

1 kg of rice costs 40 rupees and 1 kg of pulse costs 100 rupees. find the ratio of the prices of rice and pulse.

The price of a pencil is 3 rupees and the cost of a toffee is 50 paise. write the ratio of the prices of a pencil and a toffee.

If the ratio of circumference of two circle is 4:3 and difference between the radius is 2cm , find the diameter of two circle.

The first term of an A.P. is the same as that of a G.P., the common difference of the one and the common ratio of the other are both 4. If the sum of the first three terms of each series are same, find the fourteenth term of each series.

we shall buy 4 packets of biscuits also. If the Cost of, 1 packet of biscuits is 2x rupees, than find, how much money is needed.

Two houses stand just on the opposite sides of a road of a village. A ladder that stands against the wall of the first house is at a distance of 6 metres from the house and makes an angle of 30^(@) with the horizontal line.But if the ladder stands against the wall of the second house keeping its foot at the same point, it makes an angle of 60^(@) with the horizontal line. (a) Find the length of the ladder. (b) Calculate the distance of the foot of the ladder from the foot of the wall of the second house. (c) Find the width of the road. Find the height where the top of the ladder is fixed against the wall of the second house.

The sum of first 8 terms of a G.P. is five times the sum of the first 4 terms. Find the common ratio.