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Prashant kuhar

· started a discussion

· 1 Months ago

31*31=961 (Question: 157223.0 )

Why not

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) 


Knowledge Expert

· commented

· 1 Months ago

Dear Student,
Its mentioned in the question: not in the same order , 961 can't be taken.
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Hariom

· commented

· 1 Months ago

sir ye question galat kese h 961 31 ka sqare h jo do anko ki visam sankha h pls
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