Question
In Python, which method removes missing
values?Solution
df.dropna() removes missing values.
20 years ago, the age of ‘I’ was 50% more than ‘J’. If the sum of their present ages is 90 years, then find the present age of ‘I’.
...B is 3 years older than A and A is 7 years older than C. If the sum of the age of A and C is 27 years, then find the sum of the ages of all three.
‘A’ is 8 years younger than ‘B’ and 7 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 40 years and 30 years, respectively...
Amit age after 10 years will be 3 times his age 4 years back. What is the present age of Amit?
Present age of ‘A’ is 25% more than that of ‘B’. If 16 years hence from now, ‘B’ will be 9 years younger than ‘A’, then find the sum of ...
- The present ages of 'P', 'Q' and 'R' are in the ratio 2:5:7. The age difference between 'P' and 'R' is 20 years. After 'm' years, age of 'Q' will be 50% mo...
The current age of 'Aman' is 87.5% greater than 'Bittu's' age. The ratio of Aman's age 3 years hence from now to Bittu's age 6 years hence from now is 8...
Three years ago, the ratio of ages of P, Q, and R was 4:3:5. Present age of S is 40 years, who is 5 years older than R. Find the age of P five years fro...
The age of person X (x + 1) years ago and the age of person Y (x + 2) years from now are in the ratio 1:2.
Additionally, it is given that:
X i...The sum of the ages of C and D after 10 years will be 100 years. If the ratio of their present ages is 9:7, find the difference between their ages.
