How long does a moon approximately take to complete a cycle?

Q. How many solar days does the moon take approximately, to make one complete revolution around the earth?

Q.

In female, after how much time after fertilisation, does the fertilised egg get implanted in the uterine wall ?

(a) few months (b) one month

(c) three weeks (d) about seven days

Q. Calendar
Let us look at the calendar for the year 2006.
• How many months does a year have? _____________
• List the months which have 30 days. _____________
____________________________________________________
• List the months which have 31 days. _____________
____________________________________________________
• How many days does the month of February have? ___________
• How many days makes a week? ___________
• How many weeks are there in July? ___________ Is it true for all the months? _____________
• In which month did you come to Class III?
• Make a circle on these dates in the calendar:
26th January
14th November
31st December.
Is there something special about these dates?

Q. A company produces on an average 4000 items per month for the first three months. How many times it must produce on an average per month over the next 9 months to average 4375 items per month over the whole year ?