ATQ, Sum of observation = (20 + 15 + 25) + (25 + 20 + 15) + (15 + 10 + 20) + (10 + 25 + 5) = 205 Total Number of observations = 4 Average = 205/4 = 51.25 ∴ The average of sim-card sold in the four States/UT in lakhs is 51.25
A is 2 years older than B while C is 3 years younger than B. The ratio of age of A, 6 years hence and age of B, 5 years ago is 5:4. What was age of C, 1...
Currently, the ages of Rahul and Ritesh are in a ratio of 7:3. If we look back three years, the ages of Ritesh and Ramesh had a ratio of 1:3. Knowing t...
The current age ratio of Riya to Renu is 4:7. In eight years, the combined age of Riya and Renu will total 93 years. What is Riya's current age?
Before 8 years ago, the ratio of age of anil and Sunil is 5:7, after 6 years from now the ratio of their ages become 7:9, find the sum of present age of...
The ratio of Rama’s to Shyama’s age is 1 : 2 and the sum of their age 81 years. What will be the ratio of their ages after 7 years?
The ages of A, B and C together are 40 years. B is thrice as old as A and C is 5 years older than A. What is the difference between ages of B and C?
In an office, there are 18 employees. The average age of all the employees is 28 years. If the age of three senior managers is included, then the averag...
The present average age of ‘A’ and ‘B’ is 10 years, present average age of ‘A’ and ‘C’ is 6 years and present average age of ‘B’ and...
Ayush's current age is 25% greater than Ayushi's, and the difference between their ages is 8 years. What will be the ratio of their ages 8 years from now?
The current age of B is 40% greater than the present age of 'V'. The age of 'V' five years from now will be the same as the age of 'B' five years ago. D...
