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Number puzzles

Nesipaya

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which number is odd one out?

maths-puzzles1.jpg
 

Nesipaya

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Adding first 2 numbers and subtracting it with remaing numbers gives the answer 0 except 3527(this alone gives"1"!)
lol apdium solalam ....... sum of first two numbers equal to sum of last two number apdium solalam ..(y)
 

Nesipaya

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If one-third of one-fourth of a number is 15, then three-tenth of that number is: ?
 

Nesipaya

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15 is one third of something (so 15×3 is 45) which is again one fourth of something (so 45×4 is 180) 180 is the final number three tenth of 180 is 54
(y) gud
 

Nesipaya

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Which number replace the question mark
14, 28, 20, 40, 32, 64, ?
 
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