If `8a=9b` then the ratio of `a/9tob/8` is `1:1` b. `1:2` c. `2:1` d. `64 : 81` e. 81:64

If 8a=9b then the ratio of (a)/(9)rarr(b)/(8) is 1:1 b.1:2 c.2:1 d.64:81 e.81:64

8 : 81 :: 64 : ?

If 2/3A=75 % of B , t h e n A : B is 1:1 b. 9:8 c. 8:9 d. 10 : 11

If a/b = 1/4 , b/c =1/8 and a=2 then the value of c is- A. 8 B. 16 C. 32 D. 64

The volumes of two spheres are in the ratio of 64 : 27. The ratio of their surface areas is (a) 1 : 2 (b) 2 : 3 (c) 9 : 16 (d) 16 : 9

The volumes of two spheres are in the ratio of 64 : 27. The ratio of their surface areas is (a) 1 : 2 (b) 2 : 3 (c) 9 : 16 (d) 16 : 9

Two solid spheres whose radii are in the ratio 1:2 are moving with velocity in the ratio 3:4.If their densities are in the ratio 3:2, then the ratio of their kinetic energies is a). 9/128 .b) 81/512 ,c) 9/64 ,d) 27/256

What is the ratio of the total production of company A to the total sales of Company A ? (a) 81:64 (b) 64:55 (c) 71:81 (d) 71:55 (e) 81:55

If A=[i-i-i i]a n dB=[1-1-1 1],t h e nA^8 equals 4B b. 128 B c. -128 B d. -64 B

If A=[i-i-i i]a n dB=[1-1-1 1],t h e nA^8 equals 4B b. 128 B c. -128 B d. -64 B