If A={a,b},B={c,d},C={d,e} then {(a,c),(a,d),(a,e),(b,c),(b,d),(b,e)}=

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

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

If A = {a, b, c, d, e} B= {c, d, e, f}, C = {b, d}, D = {a, e} then which of the follwing statements are true and which are false : C sube B

If A = {a, b, c, d, e} B= {c, d, e, f}, C = {b, d}, D = {a, e} then which of the follwing statements are true and which are false : D sube B

If a,b,c,d are four positive numbers that (i)((a)/(b)+(b)/(c))((c)/(d)+(d)/(e)) =4.sqrt((a)/(c))(iii)(a)/(b)+(b)/(c)+(c)/(d)+(d)/(e)+(e)/(a) =(1)/(5)

If a,b,c,d are four positive numbers then (A) ((a)/(b)+(b)/(c))((c)/(d)+(d)/(c)) =4.sqrt((a)/(c))(C)(a)/(b)+(b)/(c)+(c)/(d)+(d)/(e)+(e)/(a) =(1)/(5)

Which one of the given responses would be a meaningful order of the following words ? a. Fruit b. Flower c. Seed d. Pollination e. Bud (1) a, b, c, d, e (2) d, b, e, c, a (3) e, b, d, c, a (4) e, b, d, a, c

Which one of the given responses would be a meaningful order of the following words ? a. ROCK b. HILL c. MOUNTAIN d. RANGE e. STONE (1) a, c, d, b, e (2) e, a, b, c, d (3) d, c, b, e, a (4) e, b, c, d, a

The H.C.F. of a/b , c/d , e/f is equal to (a) (LCM of a , c , e)/(HCF of b , d , f) (b) (HCF of a , c , e)/(LCM of b , d , f) (c) (HCF of a , c , e)/(HCF of b , d , f) (d) (a c e)/(b df)

If a/b=b/c=c/d=d/e=e/f=1/3 , find the value of ((a+b+c+d+e)/(b+c+d+e+f)):