if 2/5of a number exeeds 1/7 of the same number by 36.what is the number

Question : A number when divided by 7 leaves a remainder of 4. If the square of the same number is divided by 7, then what is the remainder?

Option 1: 3

Option 2: 1

Option 3: 4

Option 4: 2

Question : The product of the digits of a 2-digit number is 12. If we add 36 to the number, the new number obtained is a number formed by the interchange of the digits. What is the number?

Option 1: 62

Option 2: 34

Option 3: 26

Option 4: 43

Question : By interchanging the digits of a two-digit number, we get a number that is four times the original number minus 24. If the unit's digit of the original number exceeds its ten's digit by 7, then the original number is:

Option 1: 29

Option 2: 36

Option 3: 58

Option 4: 18