If `(5+9+13+\ ddotto\ n\ t e r m s)/(7+9+11+\ ddotto\ (n+1)t e r m s)=(17)/(16)` , then `n=` (a) 8 (b) 7 (c) 10 (d) 11

If (5 + 9 + 13 + .... rarr nterms) / (7 + 9 + 11 + ... rarr (n + 1) terms) = (17) / (16), then n =

If (5+9+13+..."upto n terms")/(7+9+11+..."upto 12 terms")=(5)/(12) , then n is equal to

Solve (294-:14xx5+11)/(?)=8^(2)-:5+1.7 (a) 8 (b) 6 (c) 12 (d) 5 (e) 10

If A and B are two events such that P(A)=4/5, a n d\ P(AnnB)=7/(10), t h e n\ P(B//A)= 1//10 b. 1//8 c. 7//8 d. 17//20

If S_ (n) = (n* ( 2 n^ 2 + 9 n + 13 ))/ 6 ( S_ (n) = sum of first n terms of the sequence) then the value of ∑_ (i = 1)^(oo) 1/ ( r √ (S_ r − S_ (r − 1))

If 3 ( 5x - 7) - 4 ( 8x - 13) = 2 ( 9x - 11) - 17, then the value of ( 7x - 5)/(11 x - 9) is

In Fig.88 P R is a straight line and /_P Q S :/_S Q R=7: 5. The measure of /_S Q R is (a) ( b ) (c) (d) (e) 60^(( f )0( g ))( h ) (i) (j) (b) ( k ) (l) 62 (m) (n) (o)1/( p )2( q ) (r)^(( s )0( t ))( u ) (v) (w) (c) ( d ) (e) 67 (f) (g) (h)1/( i )2( j ) (k)^(( l )0( m ))( n ) (o) (p) (d) ( q ) (r) (s) (t) 75^(( u )0( v ))( w ) (x) (y)

In Fig. 4.245, R S D B P Q . If C P=P D=11 c m and D R=R A=3c m . Then the values of x and y are respectively (FIGURE) 12 , 10 (b) 14 , 6 (c) 10 , 7 (d) 16 , 8

In a A B C ,\ D ,\ E ,\ F are the mi-points of sides B C ,\ C A\ a n d\ A B respectively. If a r( A B C)=16 c m^2, then a r\ (t r a p e z i u m\ F B C E)= 4\ c m^2 (b) 8\ c m^2 (c) 12 c m^2 (d) 10 c m^2