In following number series, two terms have been put within brackets. Choose the appropriate option - Which number replace question mark in the series 7, 12, 19, ?, 39.
In following number series, two terms have been put within brackets. Choose the appropriate option - 20 20 17 17 14 14 11What numbers should come next ?
In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. -
_ aaba _ bba _ bba _ abaa _ b