Consider a number 235, where last digit is the sum of first
two digits i.e. 2 + 3 = 5.

How many such 3-digit numbers are there?

Answer Posted / viral avalani

45 nos.
101 112 123 134 145 156 167 178 189 =9
202 213 224 235 246 257 268 279 =8
303 314 325 336 347 358 369 =7
404 415 426 437 448 459 =6
505 516 527 538 549 =5
606 617 628 639 =4
707 718 729 =3
808 819 =2
909 =1
___
Total =45

Is This Answer Correct ?    46 Yes 3 No



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