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Maths Puzzle
Logical Reasoning
Number Series
392 : 28 : : 722 : ?
(A) 18 (B) 28
(C) 38 (D) 48
Read Solution (Total 5)
-
- 38
2*(14^2)=392
2*14=28
2*(19^2)=722
2*19=38 - 12 years agoHelpfull: Yes(14) No(2)
- Ans.(C) 38
Solution:
392 is divisible by 28 and 722 is divisible by 38.
So Option (C) 38 is the right answer. - 12 years agoHelpfull: Yes(7) No(3)
- 28*722/392= 51.57
none of these options - 12 years agoHelpfull: Yes(3) No(14)
- i think it would be 38.
- 12 years agoHelpfull: Yes(2) No(2)
- 28/2=14 and 14*28=392
similarly from options 38/2=19 and 19*38=722
therefore ans:38 - 12 years agoHelpfull: Yes(2) No(1)
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