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What is the maximum number of 3x3 squares that can be formed from the squares in the 6x6 checker board?
a)4 b) 6 c) 12 d) 16

Read Solution (Total 6)

say the board is as below (6*6):

1 2 3 4 5 6
2
3
4
5
6

for 3*3: start from 1st row and 3rd row. Using each row we can have maximum 4, 3*3 square.
we can continue the process for (2nd and 4th row) = 4 squares, (3rd and 5th row) = 4 squares, and (4th and 6th row) = 4 squares
Total = 4+4+4+4=16 (3*3)squares
12 years agoHelpfull: Yes(15) No(1)

D IE 16 IS THE CORRECT ANSWER.
12 years agoHelpfull: Yes(3) No(4)
ans is 4
beacuse a 6*6 squer contain the 36 block,,, and 3*3 contain 9 block
so 9*4=36
12 years agoHelpfull: Yes(3) No(2)
Area of Big square=6*6=36
Area of required square=3*3=9
Equating
9*x=36
x=4
12 years agoHelpfull: Yes(3) No(4)
4 is correct answer.
12 years agoHelpfull: Yes(1) No(4)
ans=16(d) is right
12 years agoHelpfull: Yes(1) No(2)

TCS Other Question

1)if x and y are distinct negative integers greater than -10,what is the greatest possible product of x and y
a)2 b)4 c)72 d)81 e)90 . 2 − (5 − 33[4 ÷ 2 +1]) =
a)–21 b) 32 c) 45 d) 60 e) 78