In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. -
ab _ bcbca _ _ c _ bab
In a row of girls, Shilpa is eighth from the left and Reena is seventeenth from the right. If they interchange their positions, Shilpa becomes fourteenth from the left. How many girls are there in the row ?
In following number series, two terms have been put within brackets. Choose the appropriate option - Choose the appropriate option 3, 10, 29, (66), (127), 218