Practice Numbers – A certain organization has three committees. only two persons are members of all committees, but every pair of committees have three members in common. what is the least possible no of member of members on any one committee?
Practice Numbers – (10^23)-7 is divided by 6, what is the remainder?
Practice Numbers – What is the remainder of (3682*3684*3686) divided by 19?
Practice Numbers – Given two numbers a and b. Let A denote the single AM between these and S denote the sum of n AMs between them. Then S/A depends upon
Practice Numbers – If 9x-3y=12 and 3x-5y=7, then 6x+2y = ?
Practice Numbers – Find the last non-zero digit of 30^2345
Practice Numbers – What will be remainder when pow(23,80) is divided by 24 ?
Practice Numbers – What is the remainder when N= (1! +2! +3! +4! +… + 1000!)40 is divided by 10?
Practice Numbers – What is the remainder when 787777 is divided by 100?
Practice Numbers – What is the remainder when 123456………….4647484950 is divided by 16?
Practice Numbers – What is the remainder when (sum_{k=1}^{100} k!) is divided by 18?
Practice Numbers – What is the remainder of (32^31^301) when it is divided by 9
Practice Numbers – If (5555+55) is divided by 56, then the remainder is:?
Practice Numbers – How many 7 digit number are there having the digit 3 three times & the digit 5 four times?
Practice Numbers – How many 6 digit numbers can be formed from the digits 1 to 6 which are divisible by the unit digit of that number.