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7 years, 6 months ago
Missing no.?
2,9,25,49,99,?
7 years, 6 months ago
Sorry that ans got posted cause my cat waddling around.
2=1*2, 9=3*3(second odd*second prime no.), 25=5*5, 49=7*7, 99=9*11, next no.=11*13=143! I couldn't find a missing term by this logic. if you find any other appropriate ans plz post it here. cheers!
7 years, 4 months ago
First 5 consecutive prime numbers: 2,3,5,7,11,13
first 5 consecutive odd numbers: 1,3,5,7,9,11,13
multiply them you will get the answer
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