a : b : c = 2 : 3 : 4 and 2a - 3b + 4c = 33, then the value of c is = ?

In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio…

In a class the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are …

If Rs. x are divided between A and B in the ratio $$\frac{{\text{a}}}{{\text{b}}}$$ : $$\frac{{\text{c}}}{{\text{d}}}{\t…

The mean proportional between $$\left( {3 + \sqrt 2 } \right)$$   and $$\left( {12 - \sqrt {32} } \right)$$ &am…

If a : b = b : c, then a<sup>4</sup> : b<sup>4</sup> would be equal to

The fourth proportional to 5, 8, 15 is:

If A : B = $$\frac{1}{2}$$ : $$\frac{1}{3}$$ and B : C = $$\frac{1}{2}$$ : $$\frac{1}{3},$$  then A, B, C is eq…