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In a 4-digit number, the sum of the first two digits is equal to that of the last two digits. The sum of the first and last digits is equal to the third digit. Finally, the sum of the second and fourt

Statement:The United Nations has released a $1 stamp to honour Mahatma Gandhi's efforts to promote non-violence. October 2nd, the birth date of Mahatma Gandhi, has already been named the International

The minimum number of Non zero non collinear vectors required to produce a zero vector is

Non-zero digits are always

A person forgets the last two digits of user ID for a website. He remember that both digits are odd. What is the probability of him typing the correct last digits by randomly typing 2 odd digits

If the sequence is given below the sum of the two digits which immediately precede the digit '4' exceeds the sum of the two digits which immediately follow the digit 4 and sum of the two digits which

A biker notices a certain number(2 digits number) on the milestone before starting the journey. After riding for an hour he notices a milestone with reversed digits of the previous number. Now after r