In the series,
6  4  1  2  2  8  7  4  2  1  5  3  8  6  2  1  7  1  4  1  3  2  8  6
How many pairs of alternate numbers have a difference of 2 ?

B. TWO

(I).   Kamal is available at home from 12 noon to 4 p.m. on Tuesday, Thursday and Sunday.
(II).  His younger brother Navin is available at home on Monday, Thursday, Friday and Sunday between 10 a.m. to 2 p.m.
(III). The eldest brother Rajiv is available between 9 a.m. to 12 noon on Monday, Wednesday and Thursday and 2 p.m. to 4 p.m. on Friday, Saturday and Sunday. At a time, on which day of a week all the three brothers are available at home ?

A. NONE

Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row ?

A. 25

Manisha ranked sixteenth from the top and twenty ninth from the bottom among those who passed an examination. Six boys did not participate in the competition and five failed in it. How many boys were there in the class ?

D. 55

Ravi is 7 ranks ahead of Sumit in a class of 39. If Sumit`s rank is seventeenth from the last, what is Ravi`s rank from the start ?

C. 16TH