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Isoelectronic are atoms/molecules/ions containing the same number of electrons. Isotopes are atoms of the elements having the same atomic number but different mass number. Isobars are atoms of the elements having the same mass number but different atomic number. Isotones are atoms of elements having the same number of neutrons.
A company hires workers A, B, and C to finish a project. A can complete the project in 30 days, B can do it in 24 days, and C can complete it in 20 days...
Raj, Sanjay and Vaibhav can separately finish a work in 20, 30 and 40 days, respectively. In how many days Raj can finish the work if he is assisted.by ...
Before servicing, a car runs at a speed of 20 km/hr while after servicing, it runs at a speed of 30 km/h. After servicing the car covers a certain dista...
Akhil and Nikhil together can complete a work in 9 days while Nikhil alone takes 12 days to complete 50% of the work. If the efficiency of Sachin is 20%...
A does 1/2 work and B does 3/4 work in the same time. Difference between number of days taken by A and B to work alone to complete the work individually...
If 24 persons can finish 50% of work in 12 days in how many days 48 person can finish the complete work?
Amisha is 50% more efficient than Khushi. Amisha started a work, worked for 'w' days and then Khushi replaced Amisha. khushi completed the remaining wor...
Ajay, Bjay, and Cheetna can individually finish a task in 20, 24, and 30 days, respectively. They began working together, but Ajay left the task 10 days...
3 women and 1 girl together can complete a work in 25 days. 2 women and 5 girls can together complete half of the same work in 9 days. Find the time ta...
P does one fourth as much work as Q in two third of the time. If together they take 24 days to complete the work, how much time shall Q take to do it?