x varies inversely as square of y. Given that y=2 for x=1 The value of x for y=6 will be equal to:

If A : B = 5 : 7 and B: C = 6 : 11, then A : B : C is :

A, B and C went to buy ration from a wholesale market. They had a combined sum of Rs 900. A spent 80%, B spent 70% and C spent 75%of their respective amounts. Now the ratio of amounts left with them is 4 : 9 : 10. Find the ratio of amounts they had in the beginning.

What is the ratio whose terms differ by 50 and the measure of which is 3 / 5

A Started a business with 4500 and another person B joined after some period with  3,000. Determine this period after B joined the business if the profit at the end of the year is divided in the ratio 2:1

A tempo is insured to the extent of 4 5 of its original value. If the premium on it at the rate of 1.3 percent amounts to Rs. 910, the original value of the tempo is

From a number of apples, a man sells half the number of existing apples plus 1 to the first customer, sells 1/3^rd of the remaining apples plus 1 to the second customer and 1/5^th of the remaining apples plus 1 to the third customer. He then finds that he has 3 apples left. How many apples did he have originally?

From a circular sheet of paper with a radius of 20 cm, four circles of radius 5cm each are cut out. What is the ratio of the uncut to the cut portion?

If the ratio of sec w to cosec w is 1:7, then the ratio of tan w to cot w is

Sachin is younger than Rahul by 4 years. If their ages are in the respective ratio of 7 : 9, how old is sachin?