Directions: Read the following information to answer the question.
Answer : 112
Solution: LCM of 4,7,8 is 56
The smallest 3 digit no. that can be divided by 4,7,8 will also be divided by 56.
(56*2=112)----3 digit no.
So 112 is the smallest 3 digit no.
i.e. closest to 100 and of 3 digits.
Hence proved
Directions: Read the following information to answer the question.
Answer:13
Explanation:68-3=65
84-6=78
Hcf of 65 and 78 is 13.
Hence proved.
Directions: Read the following information to answer the question.
Answer: 40
Explanation: formula is: (X!/prime no.)+(X/prime no^2)……..continued till prime no. don’t get bigger than X
NOTE: take the whole value you get ondividing.
83/3+83/9+83/27+83/81=27+9+3+1=40
Hence proved.
Directions: Read the following information to answer the question.
Answer:8
Explanation:unit digit are 4,3,,9 and 6 respectively
On solving we get 8 as a unit digit.
Directions: Read the following information to answer the question.
(8^5)/7…..here 8/7=1 remainder.