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akhil009Best ResponseYou've already chosen the best response.0
dw:1344435549985:dw
 one year ago

telltoamitBest ResponseYou've already chosen the best response.2
second digit is 25?
 one year ago

akhil009Best ResponseYou've already chosen the best response.0
\[3547^{153}*251^{72}\]
 one year ago

telltoamitBest ResponseYou've already chosen the best response.2
first digit: unit value changes like 7,9,3,1,7... first digit: unit value remains 1
 one year ago

akhil009Best ResponseYou've already chosen the best response.0
can you pls elaborate it
 one year ago

telltoamitBest ResponseYou've already chosen the best response.2
7 into 7 = 49; 9 into 7 = 63; 3 into 7 = 21; 1 into 7 = 7
 one year ago

akhil009Best ResponseYou've already chosen the best response.0
but ques is for 153 times also product of 251^72
 one year ago

telltoamitBest ResponseYou've already chosen the best response.2
so after every 4 times it repeats. as 152 is a multiple of 4, the reptition will happen till there on the 156rd multiplication , we ll get 7 again so 7 into 1 = 7 == ANSWER
 one year ago
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