Answer:
F. 9 feet
Step-by-step explanation:
Four positions of such a sequence are given to be 3s, and we have 10 choices for the remaining eight positions. So the number of such sequences is

or 100 million.
Answer:
1 lakh means 1,00,000 which is equal to one hundred thousand
Therefore 1,00,000=(100×10000)
Hence one hundred thousand make a lakh