N nisha mai New member Jan 27, 2010 #1 How many integers n greater than and less than 100 are there such that,if the digits of n are reversed, the resulting integer is n+9 ? a) 5 b) 6 c) 7 d) 8 e) 9 Answer: D Total no of prime nos between 1 to 70 a) 20 b) 35 c) 26 Answer: A
How many integers n greater than and less than 100 are there such that,if the digits of n are reversed, the resulting integer is n+9 ? a) 5 b) 6 c) 7 d) 8 e) 9 Answer: D Total no of prime nos between 1 to 70 a) 20 b) 35 c) 26 Answer: A