Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Number System Real Number
Find the difference between the largest and smallest four digit numbers formed by the digits 0, 1, 4 and 7 without repeating the digits, using all of them at a time.
1
6363
2
7410
3
6777
4
More than one of the above
5
None of the above