What should come in place of the question mark (?) in the following number series?
Category: Mathematics
National Mathematics Day 2022: Date, History, Significance, More
National Mathematics Day 2022: Date, History, Significance, More
If a : b = 20:5 then find out the value of (13a-9b): (11a-7b)?
If a : b = 20:5 then find out the value of (13a-9b): (11a-7b)?
A can paint a house in 55 days and B can do it 66 days. Along with C, they did the job in 12 days only. Then, C alone can do the job in how many days?
A can paint a house in 55 days and B can do it 66 days. Along with C, they did the job in 12 days only. Then, C alone can do the job in how many days?
Ira is younger than Vivan by 7 years and their ages are in the respective ratio of 7 : 9. How old is Ira?
Ira is younger than Vivan by 7 years and their ages are in the respective ratio of 7 : 9. How old is Ira?