1

IIT-JEE 2005 Screening

MCQ (Single Correct Answer)
A rectangle with sides of lenght (2m - 1) and (2n - 1) units is divided into squares of unit lenght by drawing parallel lines as shown in the diagram, then the number of rectangles possible with odd side lengths is
A
$${(m + n - 1)^2}$$
B
$${4^{m + n - 1}}$$
C
$${m^2}\,{n^2}$$
D
$$m(m + 1)\,n\,(m + 1)$$
2

IIT-JEE 2002 Screening

MCQ (Single Correct Answer)
The number of arrangements of the letters of the word BANANA in which the two N's do not appear adjacently is
A
40
B
60
C
80
D
100
3

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)
Let $${T_n}$$ denote the number of triangles which can be formed using the vertices of a regular polygon of n sides. If $${T_{n + 1}} - {T_n} = 21$$, then n equals
A
5
B
7
C
6
D
4
4

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)
How many different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that the odd digits occupy even positions?
A
16
B
36
C
60
D
180

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