If $$\frac{a}{b} = \frac{b}{c} = \frac{c}{d},$$   then $$\frac{{{b^3} + {c^3} + {d^3}}}{{{a^3} + {b^3} + {c^3}}…

If A : B = 7 : 9 and B : C = 3 : 5 then A : B : C is equal to = ?

A policeman starts to chase a thief. When the thief goes 10 steps the policeman moves 8 steps and 5 steps of the policem…

A dealer buys dry fruit at the rate of Rs. 100, Rs. 80 Rs. 60 per kg. He bought them in the ratio 12 : 15 : 20 by weight…

Rita invested 25% more than sunil. Sunil invested 30% less than Abhinav, who invested Rs. 6000. What is the ratio of t…

Two numbers are in the ratio of 3 : 5. If 9 is subtracted from each, they are in the ratio of 12 : 23. What is the large…

If x : y = 3 : 4, then the value of (4x - y) : (2x + 3y) is = ?

A box contains Rs. 56 in the form of coins of 1 rupee, 50 paise and 25 paise. The number of 50 paise coins is double the…