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In a factory ratio between the number of men to women is 3 ∶ 2. One certain day 18 men and 7 women were absent due to bad weather and the ratio between men and women became 9 ∶ 7. What is the actual number of women in the factory?

A dealer marks an article 50% above the cost price and sells it to a customer allowing two successive discounts of 20% and 15% on the marked price. if he gains Rs. 400 on the deal then the cost price of the article is? 

The ratio of the ages of Khushi and her Aunt is 1 : 4 and the ratio of the ages of Khushi's Aunt and her brother is 9 : 1. If Khushi's brother is 5 years younger than Khushi. What will be the age of Khushi's Aunt after 6 years?

A, B and C enter into a partnership investing Rs. 35000, Rs. 45000, and Rs. 55000 respectively.

The respective shares of A, B and C in an annual profit of Rs. 40,500 are

The loss incurred by selling the leman set for Rs.1280 is equal to the profit earned by selling same for Rs.1920. At what price should the leman set be sold to make 25% profit?

Two trains a superfast express and a passenger train having lengths 580 m and 470 m are travelling towards each other with the speeds of 80 km/h and 46 km/h respectively. Find the time taken to cross each other.

Tarun can row a boat upstream for 27 km in 3 hours and downstream for 99 km in 3 hours. If Tarun rows a distance of 42 km in still water and a distance of 66 km downstream, what is the total time taken?

Simple interest accrued on the amount of Rs.14,000 is Rs. 1260 at the rate of 3 % per annum for t years. What would be the compound interest accrued on the same amount for the same years at 10 % per annum compounded annually?

In one alloy, there is 50% steel in its total mass, while it is 75% in another alloy. 15 kg of the first alloy was melted together with 10 kg of the second one to form a third alloy. Find the percentage of steel in the new alloy when it is known that 20% of the total steel is getting diminished during the melting process?

A  can print one lakh of books in 8 hours, B can print the same number of books in 10 hours while C can print them in 12 hours. All started working at 9 A.M. while A is closed at 11 A.M. and the remaining work was completed by B and C. Approximately at what time will the work (to print one lakh books) to be finished?