Question

1.2 men and 3 boys can do a piece of work in 10 days. While 3
men and 2 boys can do the same work in 8 days .In how many
days can 2 men and 1 boy do the work?
2. How many minutes does Adithya take to cover a distance of
400m, if he runs at a speed of 20km/hr?
3. The length of a rectangle is twice its breadth. If its length is
decreased by 5cm and breadth is increased by 5 cm, the area of the
rectangle is increased by 75sq.cm. Find the length of the rectangle?
4. The diagonals of two squares are in the ratio of 2:5.Find the
ratio of their areas?
5. Find the cost of 96 shares of Rs.10 each at 4 discount.
brokerage being '4 per
share?​

Answer 1

Answer:

But we need to find out in how many days 2 men and 1 boy can do the work, which is equivalent to 8 boys.  8 boys can do the same work in (10*10/8) = 12.5 days. Chemerical71 wrote: 2 men and 3 boys can do a piece of work in 10 days while 3 men and 2 boys can do the same work in 8 days 

Answer 2

Answer:

sorry I am not to tell your but I need to answer because I am not able to answer my question