If ` P Q R\ ~= E F D ,` then `E D=` PQ (b) QR (c) PR (d) None of these

If PQR~=EFD, then ED=PQ(b)QR(c)PR(d) None of these

If Delta P Q R\ ~= Delta E F D , then /_E= (a) /_P (b) /_Q (c) /_R (d) None of these

If PQR~=EFD, then /_E=/_P(b)/_Q(c)/_R(d) None of these

A B C D is a parallelogram and E\ a n d\ F are the centroids of triangles A B D\ a n d\ B C D respectively, then E F= (a) A E (b) B E (c) C E (d) D E

A B C D is a parallelogram and E\ a n d\ F are the centroids of triangles A B D\ a n d\ B C D respectively, then E F= (a) A E (b) B E (c) C E (d) D E

If the sum of two roots of the equation x^(3)-px^(2)+q-r=0 is zero,then: (A) pq=r(B) pr =q (C) qr=p (D) None of these

In Fig. 4.246, if P B C F and D P E F , then (A D)/(D E)= (FIGURE) 3/4 (b) 1/3 (c) 1/4 (d) 2/3

In Figure, A B_|_B E\ a n d\ F E\ _|_B Edot If B C=D E\ a n d\ A B=E F , then A B D is congruent to: E F C (b) E C F (c) C E F (d) F E C

In Figure, A B_|_B E\ a n d\ F E\ _|_B Edot If B C=D E\ a n d\ A B=E F , then A B D is congruent to: E F C (b) E C F (c) C E F (d) F E C

If a,b,c,d,e are in H.P., then a/(b+c+d+e), b/(a+c+d+e),c/(a+b+d+e), d/(a+b+c+e), e/(a+b+c+d) are in (A) A.P. (B) G.P. (C) H.P. (D) none of these