In the following list of numerals, how many 2's are followed by 1's but not preceded by 4 ?
4  2  1  2  1  4  2  1  1  2  4  4  4  1  2  2  1  2  1  4  4  2  1  4  2  1  2  1  2  4  1  4  2  1  2  4  1  4  6

C. FOUR

If Thursday was the day after the day before yesterday five days ago, what is the least number of days ago when Sunday was three days before the day after tomorrow ?

A. TWO

How many 7's are there in the following sequence which are precedede by 9 and followed by 6 ?
7  8  9  7  6  5  3  4  2  8  9  7  2  4  5  9  2  9  7  6  4  7  

A. 2

If the position of the first and the sixth digits of  the sequence of numbers 8  9  0  3 2  1  4  6  7  5 are interchanged, the second and the seventh and so on. which number would be seventh from the right end ?

In a row of girls, Rita and Monika occupy the ninth places from the right end and tenth place from the left end, respectively. If they interchange their places, Rita and Monika occupy seventeenth places from the right and eighteenth place from the left, respectively. How many girls are there in the row ?

B. 26