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Anurag Shukla

· started a discussion

· 1 Months ago

one more option (Question: 157223.0 )

here is 961 = 31*31 also

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
E) 6
Solution:

Ans: (b) 


Harshit rathore

· commented

· 1 Months ago

i agree with 31

nupur mali

· commented

· 1 Months ago

it should not be in same order as given in question,so the only option is of sqrt 169=13
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