Find the value of '?' in 512 × 125 ÷ 15625 = 3125 × 25?
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If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?
Name the reddish brown gas evolved when Lead Nitrate is heated strongly.
The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is
Tanya got an increment of 15% in her salary. If her enhanced salary is Rs.14,030. What was her original salary?
Which State in India has the largest coastline?
Which of the following diagram represents the relationship among Tall men, Black haired, Indians?
In which sport did India win Bronze medal at Rio Olympics 2016?