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A certain quantity of milk is found to be adulterated to the extent of 10%. What proportion of the adulterated milk should be replaced with pure milk to take the purity level to 98%?
In which year will the 21st century begin?
find the next term 0, 6, 24, 120, -
The speed of a motor boat in still water is 15 km/hr and the rate of current is 3 km/hr. What is the distance travelled downstream in 12 minutes?
One man brought pen and book from 250 and he sold both at 10% profit on pen and 20% loss on book and finally he gained 40% what is the value of pen
A man runs towards the east direction and then takes his right. Then he takes a left and again 50 degrees to his right. What is the direction in which he is moving now?
The ratio of cost price to the market price of an article is 4: 5. What is the profit percentage if the ratio of the profit percentage on selling the article to the discount allowed on it is 5: 4?
A person has his own coach&whenever he goes to railway station he takes his coach.One day he was supposed to reach the railway station at 5 O'clock.But he finished his work early and reached at 3 O'clock. Then he rung up his residence and asked to send the coach immediately. He came to know that the coach has left just now to tje railway station. He thought that the coach has left just now to the railway station.He thought that he should not waste his time and started moving towards his residence at the speed of 3mi/hr.On the way,he gets the coach and reaches home at 6 o'clock.How far is his residence from railway station.
In 8*8 chess board what is the total number of squares refer oder
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is?
The numbers A, B and C make a sum of 98. If the ratio A:B is 2:3 and that B:C is 5:8, the third number would be
A plane starts from a place A , it goes 1000 kms south then 1000km east then 1000 km north and 1000km west, what is it distance from the starting place? ans.same starting place.
The length and breadth of a rectangle are increased by 20% and 40% respectively. What is the percentage increase in its area?
C1,C2 upto Cn are n cities in a country.There are some roads connecting these cities.They are connected in such a that Crth city has r distinct routes connecting each of the other city in the country. 1)if n=27,then how many roads are there in a country? 2)if n=4,in how many distinct routes,can a person travel from c3 to c2?
Two trains are travelline at equilateral .Train A is travelling in the direction of earths spin.Other train B is travelling in opposite direction of earths spin.Which trains wheels will wear first?and why?
