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12*6 grid 1*1, 2*2.....................
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total no. of rectangles and squares is 12c2 * 6c2 =1638.
squares are 217. so rectangles are 1638-217=1421
12 years ago
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TCS Other Question
if [k+2]/[k+3]=k/9 then which of the following operation between the value of k will an integer
a)mulpication
b)addition
c)both of them
d)none of them
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