List I(At.no)`" "` List II (Block)
A) 56`" "` P) p
B) 53`" "` Q) f
C) 80 `" "` R) S
D) 64 `" "` S) d

In the following list of letters how many P's are followed by R and preceded by S? S J A S P R B K T D U L C S P R D M V C N E S P R F O W B P G S P R H O X A Z Y R I S P R

In Fig.103, P Q R S\ a n d\ /_P A B=60^0\ a n d\ /_A C S=100^0dot Then, /_B A C= (a) ( b ) (c) (d) (e) 40^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) (m) (n) 60^(( o )0( p ))( q ) (r) (s) (c) ( d ) (e) (f) (g) 80^(( h )0( i ))( j ) (k) (l) (d) ( m ) (n) (o) (p) 50^(( q )0( r ))( s ) (t) (u)

In the following list of English alphabets, one alphabet has not been used. Identify the same. X N F A P S R W L T M D E X M G B C X Q J L O P V R C J Z O H S G O D I P T S M R A B E F G N U N E

What should come next in the following letter series A B C D P Q R S A B C D E P Q R S T A B C D E F P Q R S T

Match the coloumn {:(,A to Q, B to R, C to P, D to S),(,A to Q, B to R, C to S, D to P),(,A to R, B to Q, C to S, D to P),(,A to R, B to Q, C to P, D to S):}

In Figure, P S D A is a parallelogram in which P Q=Q R=R S\ a n d\ A P B Q C Rdot Prove that a r\ (\ P Q E)=\ a r\ (\ C F D)dot

In Figure, A B C D\ a n d\ A E F D are two parallelograms? Prove that: a r\ (\ A P E):\ a r\ (\ P F A)=\ a r\ \ (Q F D)\ : a r\ (\ P F D)

Prove that the figure formed by joining the mid-points of the pair of consecutive sides of a quadrilateral is a parallelogram. OR B A C D is a parallelogram in which P ,Q ,R and S are mid-points of the sides A B ,B C ,C D and D A respectively. A C is a diagonal. Show that : P Q|| A C and P Q=1/2A C S R || A C and S R=1/2A C P Q=S R (iv) P Q R S is a parallelogram.

List the values of n and l for the following orbitals: (a) 3s (b) 4p (c ) 4f (d) 3d