Discussion Forum



In this type of questions, generally, a set, group or series of numerals is given and the candidate is asked to trace out numerals following certain given conditions or lying at specifically mentioned positions after shuffling according to a certain given pattern.

1)

In the numbers from 100 to 1000, how many times digits 1 comes at the ten's place?


A) 9

B) 10

C) 90

D) 900

Answer:

Option C

Explanation:

The digits 1 comes at the ten's place in numbers from 110 to 119; 210 to 219; 310 to 319; 410 t00 419;510 to 519;610 to 619; 710 to 719; 810 to 819 and 910 to 919.

.'. Required number = 10x 9 = 90