x, y, z, u are real numbers such that x : y = y : z = z : u and x : u = 64 : 27. the value of x : z is -

When a particular number is subtracted from each of 7, 9, 11 and 15, the resulting numbers are in proportion. The number…

The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their…

The incomes of A and B are in the ratio 3 : 2 and their expenditure are in ratio 5 : 3. If each saves Rs. 1000, then, A'…

Rs. 600 are divided among A, B, C so that Rs. 40 more than $$\frac{{\text{2}}}{{\text{5}}}$$ of A's share, Rs. 20 more t…

Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes…

The Lucknow-Indore Express without its rake can go 24 km an hour, and the speed is diminished by a quantity that varies …

One year ago the ratio of the ages of Sarika and Gouri was 3 : 4 respectively. One year hence the ratio of their ages wi…