If A : B = 2 : 3 and B : C = 4 : 5 then A : B : C is
If A : B = 2 : 3, B : C = 4 : 5 and C : D = 5 : 9 then A : D is equal to:
If a : b = 3 : 8, find the value of (5a-3b) / (2a + b).
If a * b = 2a - 3b + ab, then 3 * 5 + 5 * 3 is equal to
If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and casts a shadow of length 4.5 m on the ground, then the height of the lamp-post is
If a 30 m ladder is placed against a 15 m wall such that it just reaches the top of the wall, then the elevation of the wall is equal to-
If a 36 inches long strip cloth shrinks to 33 inches after being washed, how many inches long will the same strip remain after washing if it were 48 inches long?
If A and B are in the ratio 3 : 4, and B and C in the ratio 12 : 13, then A and C will be in the ratio
If a and b are two odd positive integers, by which of the following integers is (a^4 - b^4) always divisible ?
If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?
