The amount of water (in ml) that should be added to reduce9 ml lotion, containing 50% alcohol,to a lotion containing 30% alcohol, is:
A shepherd had n goats in the year 2000. In 2001 the no. of goats increased by 40%. In 2002 the no. of goats declined to 70%. In 2003 the no. of goats grew by 30%. In 2004, he sold 10% goats, and then he had only 34398 goats. The percentage increase of the no. of goats in this duration was:
Dell computers has two branches : One in ohio and second in texas : The total no. of employees on ohio office grew this year by 25% to 750 but the ratio of male to female employee is same as in the previous year. The no. of employees in the Texas office grew this year by 9.09% to 1200. The ratio of male to female employees last year in texas office was 5:6 and the number of male employees in the ohio office was 20% less than that of texas office.
The total number of female employees this year in both the offices is:
can’t be determined
The price of a P&G product is collectively decided by five input factors viz. research, raw materials, labour, advertisements and transportation. The functional relationship of price with these factors is: Price = (k × Research costs × Raw material costs × Labour costs × Advertising cost × Transportation cost) if there are respective changes of 10%, 20%, -20%, 25% and 50% in the five factors, then find the change in the price of product.
none of these
Out of the 75 students enrolled in the Economics class, 12% did not qualify to take the final examination on account of lack of attendance. Of those who qualified to take the test, 9.09% absented themselves from the exam. Two-third of those who took the exam passed the examination. 75% of those who passed secured a first class in the paper. How many students who pass the exam scored less than first class?
None of these
A shepherd had n goats in the year 2000. In 2001 the no. of goats increased by 40%. In 2002 the no. of goats declined to 70%. In 2003 the no. of goats grew by 30%. In 2004, he sold 10% goats, and then he had only 34398 goats. In which year the no. of goats was minimum?
An alloy contains the copper and aluminum in the ratio 7:4. While making the weapons from this alloy, 12% of the alloy get destroyed. If there are 12 kg of aluminum in the weapon, then the weight of the alloy required is :
Out of a no. of electronic items, a person purchases 60% colored TVs 5% of these were found to be defective. The percentage of defective TVs in all is
can’t be determined
Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kg of fresh fruits ?
Gaurav spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly salary is Rs.18,400, how much money does he save every month?
A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?
Each edge of a cube is increased by 20% then the percentage increase in surface area of the cube is :
In a factory there are three types of Machines M1 , M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2% , 4% and 5% defective products, respectively. What is the percentage of non-defective products?
600 students took the test on physics and chemistry. 35% students failed in physics and 45% students failed in chemistry and 40% of those who passed in chemistry also passed in physics, then how many students failed in both:
In some quantity of ghee, 60% is pure ghee and 40% is vanaspati. If 10 kg of pure ghee is added, then the strength of vanaspati ghee becomes 20%. The original quantity was in kg:
The tax on a commodity is diminished by 15% and its consumption increased by 10%. Find the decrease percent in the revenue derived from it.
A mixture of milk and water measures 70 liters. It contains 10% water. How much water should be mixed with it so that the water may be 25% in the new mixture?
Let A and B be two solid spheres such that the surface area of B is 300% higher than the surface area of A. the volume of A is found to be k% lower than the volume of B. The value of k must be
The price of petrol increased by 25% and therefore Alok reduced his consumption of petrol by 25%. By what % did his expenditure rise/fall?
6.25 % rise
cant be determined
If boys make up 65% of a class that has 28 girls, the number of boys exceeds the number of girls by