1.The proportion of acid and water in three samples is 2 : 1 ,3 : 2 and 5 : 3. A mixture containing equal quantities of all three samples is made. The ratio of water and acid in the mixture is :  (a) 120 : 133  (b) 227 : 133   (c) 227 : 120   (d) 133 : 227 …

1.Rs. 864 is divided among A, B and C such that 8 times A’s share is equal to 12 times B’s share and also equal to 6 times C’s share. How much did B get?  (a) Rs. 399  (b) Rs. 192  (c) Rs. 288  (d) Rs. 72 2.A, B and C entered into a business and their inv…

1.The ratio of the areas of two isosceles triangles having equal vertical angles is 1 : 4. The ratio of their heights will be  (1) 1 : 2 (2) 3 : 4 (3) 2 : 3 (4) 6 : 7 2.If each of the radius of base and height of a right circular cone is increased by 10%, th…