Latest MBA Aptitude Question SOLUTION: N is a five-digit perfect square whose unit digit is same as the tens digit. How many such N are there? plz explain!!

1) 30
2) 31
3) 32
4) 33

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(#M40016619) MBA Numerical Ability question number systems, progressions Keep an EYE

N is a five-digit perfect square whose unit digit is same as the tens digit. How many such N are
there? plz explain!!

1) 30
2) 31
3) 32
4) 33

Asked In MBA (11 years ago)

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Saurabh pandey  (1 year ago)

End digit 1,4,5,6,9, 0 yhi rahengi..
Tens digit p 11 is not a perfect sqr
44 m end wala perfect sqr hai
Baaki sb perfect sqr nhi
Ab no hai
112,138, 162, 188, 212, 238, 262, 288, 312, 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310, so option is b

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