1) N is product of three distinct prime numbers. 2) N is product of 4 distinct prime numbers. 3) N is product of 2 distinct prime numbers. 4)... View Article
1) (n+1)2/4 2)(n-1)2/4 3) (n+1)2/2 4) (n-1)2/2 Answer: (2) (n-1)2/4 Solution: Given, n is an odd number A.P. = 1,2,3,4,....,n As per the... View Article
1) 25 2) 35 3) 20 4) 15 Answer: (1) 25 Solution: Number of diagonals = n(n-1)/2 where n is the number of sides. Therefore, n(n-1)/2 = 275... View Article
1) N >190 2) N ≤ 100 3) 100 < N ≤ 140 4) 140 ≤ N ≤ 190 Answer: (2) N ≤ 100 Solution: Out of 10 points 6 are collinear. Therefore,... View Article
Losing a hydrogen refers to the oxidation process. To learn in detail about the oxidation and reduction, visit BYJU’S - The Learning App!!... View Article