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Vikram Bishnoi

· started a discussion

· 1 Months ago

MOCK TEST DOUBT (Question:1045189.0)

PLS CAN U EXPLAINED IN DETAIL BCOZ I CANNT GET IT

Question:
If it is possible to form only one such number with the 3rd, 6th and the 7th digits of the number 7394261 but not in the same order , which is the perfect square of a two digit odd number, then which of the following will be the unit digit of the two digit odd number?
Options:
A) 9
B) 3
C) 5
D) 2
Solution:

Ans: (b) 


Abhinav Sinha

· commented

· 1 Months ago

Dear student,
We have provided detail solution. please re-check. the square of two digit odd number is form 169 = 13. and unit digit is 3. the given answer is correct.

Regards
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