Question
In Python, what does len() function
do?Solution
len() returns the number of items in an object like list, tuple, string, or dictionary.
Present ages of 'X' and 'Y' are in ratio 7:8, respectively. If twelve years hence from now, age of 'X' will be 15% less than that of 'Y', then find the ...
Present average of age of A and B is (9x-15) years. Present average age of A, B and C is (6x+5) years. If present age of B is 20% less than the present ...
The sum of ages of 4 children born at the intervals of 3 years each is 62 years. Find out the age of the youngest child.
Present ages of P and Q are in ratio 5:4, respectively. Present ages of R and P are in ratio 3:4, respectively. If the difference between ages of Q and ...
Ratio of present ages of A and B is 3:5, respectively. C who is 5 years older than A will become 35 years older after 12 years. Find the present age of B.
A is younger than B by 2 years. If the ratio of A and B ages is 8:9 respectively, then find the age of A.
- The average of the present ages of R, S and T is 28 years. Triple the present age of S is 45 more than twice the present age of R. If T’s age after 6 yea...
Sum of the present ages of A, B, C and D is 65 years. After 3 years ratio of their ages is 4:3:2:2. What is C’s present age?
A is younger than B by 3 years. If the ratio of A and B ages is 7:10 respectively, then find the age of A.
Average age of 8 boys is increased by 3 years when two of them whose age are 20 and 24 years are replaced by two new members. What is the average age of...
