In a proportion the product of 1<sup>st</sup> and 4<sup>th</sup> terms is 40 and that of 2<su…

Three numbers are in the ratio 5 : 7 : 12. If the sum of the first and the third is greater than the second by 50. The s…

Which of the following is the lowest ratio ?

A mixture contains wine and water in the ratio 3 : 2 and another mixture contains them in the ratio 4 : 5. How many litr…

If a : b = c : d, then $$\frac{{{\text{ma}} + {\text{nc}}}}{{{\text{mb}} + {\text{nd}}}}$$   is equal to -

Fourth proportional to (a<sup>2</sup> - b<sup>2</sup>), (a<sup>2</sup> - ab), (a<…

Of the three numbers, the ration of the first and the second is 8 : 9 and that of the second and third is 3 : 4. If the …

In a regiment the ratio between the number of officers to soldiers was 3 : 31 before. In a battle 6 officers and 22 sold…