Among $A, B, C, D$ and $E$ each having a different weight,$D$ is heavier than $A$ and $E$,and $B$ is lighter than $C$. Who among them is the heaviest?

Sangeeta remembers that her father's birthday was certainly after $8^{th}$ but before $13^{th}$ of December. Her sister Natasha remembers that their father's birthday was definitely after $9^{th}$ but before $14^{th}$ of December. On which date of December was their father's birthday?

$A$ number is greater than $3$ but less than $8$. Also,it is greater than $6$ but less than $10$. The number is

Among six members $P, Q, R, G, S$ and $M$ sitting around a circle facing the centre,$(i)$ $R$ is between $G$ and $P$,$(ii)$ $M$ is between $P$ and $S$. What is the position of $Q$?

Reaching the place of meeting on Tuesday $15 \,minutes$ before $08:30 \,hours$,Anuj found himself half an hour earlier than the man who was $40 \,minutes$ late. What was the scheduled time of the meeting?

Count each $1$ in the following sequence of numbers that is immediately followed by $2$,if $2$ is not immediately followed by $3$. How many such $1$'s are there?
$1, 2, 1, 3, 4, 5, 1, 2, 3, 5, 2, 1, 2, 6, 1, 4, 5, 1, 1, 2, 4, 1, 2, 3, 2, 1, 7, 5, 2, 1, 2, 5$