Question

1. A saree is 5 m long and 1.3 m wide. A border of width 25 cm is printed along its sides. Find

the cost of printing border at Rs. 1 per 10 cm square.

2. Which two digit number when added to 47 to get it reversed?

3. A rectangular plot of land measures 95 m by 72 m. inside the plot a path of uniform width of

3.5 m is to be constructed all around. The rest of the plot is to be laid with grasses. Find the

total expenses involved in constructing the path at 80 Rs. Per m square and laying the grass

at Rs. 40 per meter.

4. Cement mortar was being prepared by mixing cement to sand in the ratio of 1:6 by volume.

In a cement mortar of 42 units of volume, how much more cement needs to be added to

enrich the mortar to the ratio 2:9?

5. In a solution of common salt in water, the ratio of salt to water was 30:70 as per weight. If

we evaporate 100 grams of water from one kilogram of this solution, what will be the ratio

of the salt to water by weight?

6. Half a swarm of bees went to collect honey from a mustard field. Three fourth of the rest

went to a rose garden. The rest ten were still undecided. How many bees were there in all?​

Answer 1

Answer:

ans 1 So, the cost of printing the border is Rs 2900.