How many numbers can be formed between 1000 to 2000 with digits 0 1 2 3 4 6 repetition not allowed n...........

Quantitative Aptitude (CDS) Permutation & Combination

How many numbers can be formed between 1000 to 2000 with digits 0,1,2,3,4,6 (repetition not allowed)?

100

Explanation:

range-1000 to 2000
4 digit number would be formed
so,
at Thousand place, only 1 should be placed
at Unit digit, 5 numbers should be placed
at 10th digit, 4 numbers should be placed
at Hundred place 3 numbers should be placed
so,
total possible number formed is=5×4×3=60