The sum of all 2 digit divisors of the number obtained by the difference of a 3 digit number
of successive digits in decreasing order and a 3 digit number having same digits in reciprocal
order. Only 1, 2, 3, 4, 5, 6, 7, 8, 9 can be used as digits
Unit place =20(1+2+3+3+3+4)
Tens place=20(1+2+3+3+3+4) +32 ;( 32 is carry from units place)
Hundreds place=20(1+2+3+3+3+4) +35(carry from previous)
Similarly others
Some birds sit on a tree. Square root of total birds moves away from there. Twice of the
remaining birds are equal to the square of sum of birds flown away & square root of birds
flown away. How many birds was on tree.
Total cost of 2 rubbers and 3 pencils is greater than 20 rupee whereas total cost of
3 rubbers and 2 pencils is less than 24 rupee. If cost of pencil is less then 7 rupee then
for what prize of rubber and pencil total cost of 4 rubbers and 5 pencils is minimum
A bookseller says to a customer "The prize of water bag is greater than 400 rupees and I
shall give you a scheme of 50%+50%+50%+50% off after giving you a discount of 100 rupees."
If after then the cost of water bag is square root of its original value, then prize of
water bag is (Leaving paisa if any).
In a chess game a man plays 16 moves, one move to every piece in the following manner:-
King can move 1 step in any direction
Queen can move in any direction
Rook can move straight in any direction
Bishop can move in slant squares
Knight can move 2 forward then 1 turned step
Every pawn can move 1 or 2 step forward
What is the probability that after that move all the piece are arranged in third and fourth row if initially they are arranged in first and second row as the rule of game.