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Maths Puzzle
Find the missing term in the seqence: 325, 446, 567, ___, 709, 820.
Read Solution (Total 4)
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- 688
Only unit digit considered after adding 1,2,1 to 3 digits respectively
325
(3+1)(2+2)(5+1)=446
(4+1)(4+2)(6+1)=567
(5+1)(6+2)(7+1)=688
(6+1)(8+2)(8+1)=709
(7+1)(0+2)(9+1)=820 - 11 years agoHelpfull: Yes(3) No(0)
- 325+121=446
446+121=567
567+121=682 - 11 years agoHelpfull: Yes(2) No(0)
- every series first number increse by 1
3,4,5,6,7,8
every series second number increse by 2
2,4,6,8,0,2
every series first number increse by 1
5,6,7,8,9,0
then arrange the series
325,446,567,688,709,820 ans:688 - 11 years agoHelpfull: Yes(0) No(0)
- answer=688 because in digits +1,+2,+1 is added
- 11 years agoHelpfull: Yes(0) No(0)
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