Question

Solve the following
1201
2)

3) Add 250m wheat in 85 KR 150 m wheat
1) How much total wire is needed for sometre length of a square field to fence it with a row
5) Tayaben has 15 pencils, if she gives 5 pencil to each child, then how many children can she
6) teela has not one to school for 21 days, for how many weeks was she away from school?
2) in a big box of a glass total 28 legs of cats were seen, then how many cats are there in the
2) If Prett is absent for constant 21 days in her school, then for how many weeks is she
absent
H) Morano abd bricks na hand cant, if the weight or one brickis 2 kg what will be the
weiht of all the bricks
10) There are 8 packets of Rakhiseach packet has o rakhees in it find the total no. of Rakhis
(10)
2.8 Find the measure of the boundary of riven shape​

Answer 1

Answer:

Avogadro's number is 6.023×10

23

.

The time required to distribute 6.023×10

23

grains is

1×10

10

6.023×10

23

sec=6.023×10

13

seconds.

Convert unit of time from seconds to years.

3600×24×365

6.023×10

13

=1.9099×10

6

years.

Note: 1 year is equal to 3600×24×365 seconds.