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Maths-

General

Easy

Question

The number of 3 digit odd numbers divisible by 3, using the digits 3, 4, 5, 6 when repetition is allowed, is

12
10
11
None of these

The correct answer is: 11

3 digits odd numbers using only 3 and only 5 = 2
using 3, 4 and 5 = 4
using 4, 5 and 6 = 2
using 3, 3 and 6 = 2
using 6, 6 and 3 = 1
Total no. = 11

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