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No seller is shopkeeper (E) → Conversion → No shopkeeper is seller (E) + Only a few seller are money (I) → Some money are not shopkeeper (O*). Hence conclusion I does not follow.
Only a few seller are money → Some seller are money (I) and Some seller are not money (O). Hence conclusion II does not follow.
A five digit number 2A78B, is divisible by 55. What is the difference between the maximum and minimum possible value of (A+B)?
Sum of squares of three consecutive numbers is 1730. Find the sum of first and third number.
Find the average of first 24 whole numbers.
How many two-digit even numbers can be formed using the digits 3, 4, 5, 7, and 8, ensuring that no digit is repeated?
How many numbers in the range from 200 to 800 are divisible by 4, 8, and 16?