Who discovered the nucleic acid in cells?
Friedrich Miescher was the pioneering scientist who discovered nucleic acids in 1869. He identified "nuclein" within the nuclei of white blood cells, which later became known as DNA, marking a crucial discovery for genetic science.
In what ratio coffee at 265 Rs/kg should be mixed with the coffee at 305 Rs/kg so that after mixture its rate become 280 Rs/kg if the quantity of 1st ty...
How much groundnut powder at Rs. 90 a kg. should be added to 56 kg. of cashew powder at Rs.310 a kg. so that by selling the mixture for Rs. 280 a kg, a ...
In what ratio rice at 58 Rs/kg should be mixed with the rice at 32 Rs/kg so that selling mixture at Rs 54 per kg gives the profit of 35% if the quantity...
A vessel contains 50 liters of a solution with 40% acid. 10 liters of this solution are removed and replaced with a solution containing 70% acid. The pr...
How much groundnut powder at Rs. 90 a kg. should be added to 56 kg. of cashew powder at Rs.310 a kg. so that by selling the mixture for Rs. 280 a kg...
‘A’ and ‘B’ can do a piece of work in 25 days and 30 days, respectively. If they started the work together and worked on it for 5 days, then fin...
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...
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...
The ratio of the number of boys and girls in a school is 23:17. If 45% of the boys and 50% of the girls got passed out of 1600 students, the approximate...
A man sold one shirt and one t-shirt for Rs. 4000 on shirt he gained 21% and he lost 14% on t-shirt. If overall profit is 7%, then cost price of t-shirt is
