Day 9 – Puzzle 25 – Season 3



 

Solution :
0


Explanation : 

2 ഉം 5 ഉം അഭാജ്യസംഖ്യകൾ ആണല്ലോ. അപ്പോൾ 2 ഉം 5 ഉം (അപ്പോൾ 10 ഉം) ഈ ഗുണനഫലത്തിന്റെ ഘടകങ്ങളായിരിക്കും. 10 ഇന്ടെ ഗുണിതമായാൽ അതിന്ടെ അവസാനത്തെ അക്കം 0.
The product is a multiple of 10, because it is a multiple of 2 and 5. So the last digit is 0. The product is a multiple of 10, because it is a multiple of 2 and 5. So the last digit is 0.


Best Explanation : Aadidevpmohan

2 and 5 are prime numbers since the product includes at least one 2 and one 5, the entire product is divisible by 10.
It doesn’t matter how many other primes you multiply in — if a number is divisible by 10, its last digit is 0.


Sl NoPrimaryHigh SchoolOthers
1Dilnath JFathima Rafna PAshika K.S
2Krishnaveni R NairKashinathan KJayesh MK
3Aaliya AneezAkhila P MVINU THOMAS
4ABHINAYA. KSreebhadra K UnniSathypmenon GBHSS Nemmara
5Anandhu JSana Huda PTReneesh
6SabnaAlmasSheeja K
7AnjaliRithu RykaSoumya k n
8Pranav.PAsfia ANIVEDA P
9AMALSANKAR J GBHSS NEMMARAAjnasAmina PS
10Insha pSiya Fathima.NSabna

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