Question

1. A train is moving at a uniform speed of 100 km/h. How far will it travel in 20 minutes?

2. If the cost of 20 books is ₹ 180, how much will 15 books cost?

3. If x1 = 5, y1 = 7.5, x2 = 7.5 then find y2 if x and y vary directly

4. If 3 kg of sugar contains 9 × 108 crystals. How many sugar crystals are there in 4 kg of sugar?

5. If 15 men can do a work in 12 days, how many men will do the same work in 6 days​

Answer 1

Answer:

5. 15 men take 12 days to finish a job, => 1 man takes a total of 15 x 12 days to finish the same job, ... A total of 30 men are required to finish the same job in 6 days

the answer is for 3,4and5