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?

If 40%  of a number is equal to two-third of another number, what is the ratio of first number to the second number ?

Arun, Kamal and Vinay invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. Arun left after six months. If after eight months, there was again of Rs. 4005, then what will be the share of Kamal?

5 (P ‘s Capital ) = 10 (Q’s Capital)=15 (R’s Capital) then the ratio of their capital is

If( 4x² – 3y²) : (2x² + 5y²)= 12 : 19, then (x : y) is: