I have tied my square bathroom wall with congruent square tiles. All the tiles are red, except those along the two diagonals, which are all blue. If `I` used `121` blue tiles, then the number of red tiles `I` used are

A rectangular path of 60m length and 3m width is covered by square tiles of side 25cm. How many tiles will there be in one row along its width? How many such rows will be there? Find the number of tiles used to make this path?

A rectangular path of 60 m length and 3 m width is covered by square tiles of side 25 cm. How many tiles will there be in one row along its width? How many such rows will be there? Find the number of tiles used to make this path?

The length and breadth of the floor of the room are 20 feet and 10 feet respectively. Square tiles of 2 feet length of different colours are to be laid on the floor. Black tiles are laid in the first row on all sides. If white tiles are laid in the one-third of the remaining and blue tiles in the rest, how many blue tiles will be there? (a) 16 (b) 24 (c) 32 (d) 48 (e) None of these

A rectangular courtyard is 3m 78 cm long and 5m 25 cm broad. It is desired to prove it with square tiles of the same size. What is the largest size of the tile that can be used ? Also find the number of such tiles.

I have 3 normal dice,one red.one blue and one green and I roll all three simultaneously. Let P be the probability that the sum of the numbers on the red and blue dice is equal to the number on the green die.If P is the written in lowest terms as a/b then the value of (a+b) equals -

A rectangular courtyard,3.78m long and 5.25m broad,is to be paved exactly with square tiles,all of the same size.Find the least number of square tiles covered.

Sonal and Anmol made a sequence of tile designs from square white tiles surrounding one square purple tile. The purple tiles come in many sizes. Three of the designs are shown below. (a) Copy and complete the table (b) Draw a graph using the first five pairs of numbers in your table. (c) Do the points lie on a line?

Swimming further, he could feel something sucking the water out of the sea. He saw a huge 6ft × 6ft hole dug, which was pulling all the water. He has to fill it with some 2 × 2 square tiles and some 4 × 1 rectangular tiles. After arranging the tiles to cover the lava perfectly without overlap, excess pressure caused one of the tiles to smash. Unfortunately, the only spare tile is of the other shape to the one smashed. Will Mario be able to rear- range the remaining unsmashed tiles to perfectly cover the hole again?

A child's game has 8 triangle of which 3 are blue and rest are red, and 10 square of which 6 are blue and rest are red. One piece is lost at random. Find the probability that it is a (i) trinagle (ii) square (iii) square of blue colour (iv) triangle of red colour