TestMagic Forums - View Single Post - please help me by solving these problems:part-3

prithibi · 07-22-2008, 06:50 AM

to gmm21
explanation: 5^9 has 5 at ones place and 7^10 has 9 at ones place. by adding those two we get 14 i.e. 4 which is even number. and we know even number is always divided by 2. col A produces 2. and the answer is (B)

07-22-2008, 06:50 AM	#21 (permalink)
prithibi Eager! Join Date: Jul 2008 Posts: 89	to gmm21 explanation: 5^9 has 5 at ones place and 7^10 has 9 at ones place. by adding those two we get 14 i.e. 4 which is even number. and we know even number is always divided by 2. col A produces 2. and the answer is (B)