consider a no 235, where last digit is the sum of first two digit no eg- 2+3=5 , how many such 3-digit no are there ??? Choose the correct choice.
A) 44	B) 45	C) 46	D) 47	E) 48
between 100 and 200 there are 9 such numbers   101,112,123,134,145,156,167,178,189   in the same way btwn 200 and 300   202,213,224,235,246,257,268,279 =8 numbers totally   so series continues as 9+8+7+6+5+4+3+2+1= 
<gadget id="calculator">9+8+7+6+5+4+3+2+1</gadget>
<output>45</output>
45 numbers   ANSWER:45
<result>B</result>
consider a no 235, where last digit is the sum of first two digit no eg- 2+3=5 , how many such 3-digit no are there ???