there are 4 questions
1. Find the LCM of 160, 170 and 90.
2. Find Sum of the number of primes between 16 to 80 and 90 to100 .
3. Find the number of primes between 1 to 100 .
4. A person had Rs 1000000 with him. He purchased a colour T.V. for
Rs 16580, a motor cycle for Rs 45890 and a flat for Rs 870000. How
much money was left with him?
explain ur answer