MHT CET · Maths · Permutation Combination
If four digit numbers are formed by using the digits \(1,2,3,4,5,6,7\) without repetition, then out of these numbers, the numbers exactly divisible by 25 are
- A \(20\)
- B \(40\)
- C \(50\)
- D \(51\)
Answer & Solution
Correct Answer
(B) \(40\)
Step-by-step Solution
Detailed explanation
Numbers divisible by 25 must end in 25 or 75 (00, 50 not possible with given digits). Case 1: Ends in 25.
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