The Value of^ ∑ is
equal to:
(a)^ (b)^ (c)^ (d) none
of these
The number of diagonals of an
octagon, is:
(a) 48 (b) 40 (c)28 (d) 20
If S= {2, 3, 4, 5, 7, 9}, then the number
of different three-digit numbers
(with all distinct digits) less than 400
that can be formed from S, is:
(a) 20 (b) 40 (c) 80 (d) 120
The number of triangles that can be
formed by choosing the vertices from
a set of 12 points, seven of which lie
on the same straight line, is:
(a) 185 (b) 175 (c) 115 (d) 105
How many words of 4 consonants
and 3 vowels can be made from 12
consonants and 4 vowels, if all the
letters are different?
(a) 251820 (b) 258120 (c) 281520
(d) 285120
The number of words that can be
formed from the letters of the word
INDRAPRASTHA when the vowels
are never separated, is:
(a) 727560 (b) 725760 (c) 752760
(d) 757260
The number 2 digit even numbers
that can be formed from the digits
1, 2, 3, 4 and 5, repetition being not
allowed, is:
(a) (b) 5! (c) 16 (d) 8
The number of lines obtained on
joining 7 points in a plane is:
(a) 14 (b) 21 (c) 28 (d) 35
In how many ways can a committee
of 5 members be formed out of 7
men and 3 women, so as to include
exactly 3 men?
(a) 36 (b) 41 (c) 105 (d) 210
In how many ways can 10 lions and
6 tigers be arranged in a row so that
no two tigers are together?
(a) 10! (b) 6! (c) 6!
(d) 6!
Eighteen football teams take part
in the national championship and
every team meets the same
opponent twice. How many matches
are played during the
championship?
(a) 306 (b) 300 (c) 72 (d) 153
A polygon has 54 diagonals. How
many sides does it have?
(a) 10 (b) 11 (c) 12 (d) 27
A team consists of 3 men, 3
women and 3 children. They have to
stand in a line such that the men
stand together, women stand
together and children stand
together. In how many different
ways can this be done?
(a) 1296 (b) 1692 (c) 1926 (d)
1270
