1) 96 2) 108 3) 112 4) 220 Answer: 112 Solution: Total number of triangles formed by 12 sides of a polygon = 12C3 = 220 Total triangles... View Article
1) 369600 2) 400400 3) 420600 4) 440720 Answer: (1) 369600 Solution: Total number of books = 3 x 4 = 12 Required number of arrangements =... View Article
1) ½(10C5) 2) ½(8C5) 3) 2(8C4) 4) 8C4 Answer: 8C4 Solution: Two particular person can go the car in 2 ways Remaining 8 person can go in... View Article
1) 22 2) 23 3) 24 4) 25 Answer: (4) 25 Solution: Given, 10 points out of which 7 are collinear. Number of lines that can be drawn = 10C2... View Article
1) 112 2) 140 3) 164 4) 146 Answer: (2) 140 Solution: Given, Nandan gives a dinner party to six guests Total number of ways of selection... View Article
1) 9(10!) 2) 2(10)! 3) 45(8!) 4) 10! Answer: (1) 9 (10!) Solution: Arrangements of 12 persons in a round table can be done in =11! ways 2... View Article
1) 4784,1008 2) 2702,3360 3) 6062,2702 4) 2702,1008 Answer: (4) 2702, 1008 Solution: We need to include 5 women out of 9 along 7 men out... View Article
1) 360 2) 900 3) 1260 4) 1620 Answer: (2) 900 Solution: In the given word “ARRANGE”, we have two R’s, two A’s and rest letters are one each.... View Article