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Question

A and B are two-digit consecutive numbers such that the unit’s digit of A2 is 6 and unit’s digit of B2 is 5. Then, the number of all possible non-perfect square numbers between A2 and B2 is

A तथा B दो अंकों वाली क्रमागत संख्याएँ हैं जबकि A2 का इकाई अंक 6 है तथा B2 का इकाई अंक 5 है। तब A2B2 के मध्य सभी संभावित संख्याएँ, जो पूर्ण वर्ग नहीं हैं, की संख्या है

A
1872
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B
1962
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C
1982
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D
2022
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Solution

The correct option is B 1962

Solution

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