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Let the number of females and males be 2y and 3y. ⇒ Total numberof employees = 2y + 3y = 5y => 3y = 90 ⇒ y = 30 5y = 5 × 30 = 150 ∴ Total number of employees = 150
The scores achieved by P and Q in an examination are in a ratio of 9:4 respectively. If Q scores an additional 11 points, then P's score will be approxi...
A vessel contains some milk .7 liter of the milk was taken out of the vessel and replaced with 7 liter of water and again 7 liter of mixture was taken o...
Cost of two types of pulses is Rs.25 and Rs, 30 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
In a class, 60% of the students are boys, and the rest are girls. If 40% of the boys and 50% of the girls passed an exam, what percentage of the total s...
In a zoo, tiger and ostrich were counted. If heads were counted, there are 400 and if legs are counted there were 820. How many ostrich are there?
A shopkeeper has 60 kg rice a part of it, he sells at the profit of 30% and rest at loss of 10% and he get the loss of 8% so what is the quantity sold a...
C purchased 20 kg of oranges at the rate of ₹150 per kg from a wholesaler who uses a weight of 850 grams for the kg weight. C sold all these oranges a...
Cost of two types of pulses is Rs.30 and Rs, 35 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
In what ratio coffee at 275 Rs/kg should be mixed with the coffee at 325 Rs/kg so that after mixture its rate become 290 Rs/kg if the quantity of 1st ty...
The difference between the present ages of a mother and her son is 32 years. Six years ago, the mother was 4 years younger than twice the present age of...
