Directions (Next 2 Questions): Read the following frequency distribution for two series of observations and answer the two items that follow:
| Class interval | Frequency | |
| Series-I | Series-II | |
| 10-20 | 20 | 4 |
| 20-30 | 15 | 8 |
| 30-40 | 10 | 4 |
| 40-50 | x | 2x |
| 50-60 | y | y |
| Total | 100 | 100 |
What is the mean of frequency distribution of Series-I?
Directions (Next 4 Questions): Read the following information and answer the four items that follow:
Let the distribution of number of scooters of companies X and Y sold by 5 showrooms (A, B, C, D and E) in a certain year be denoted by S1 and the distribution of number of scooters of only company X sold by the five showrooms in the same year be denoted by S2.
| Showroom | A | B | C | D | E | Total number of scooters sold |
| S1 (in %) | 19 | 21 | 15 | 33 | 12 | 6400 |
| S2 (in %) | 24 | 18 | 20 | 30 | 8 | 3000 |
Number of scooters of company Y sold by showroom E is what per cent of the number of scooters of both companies sold by showroom C?
Directions (Next 4 Questions): Read the following information and answer the four items that follow:
The data shows that Indian roads are turning deadlier over the years.
| Year | 2014 | 2015 | 2016 | 2017 |
| Number of bikers killed | 40957 | 46070 | 52750 | 48746 |
| Number of pedestrians killed | 12330 | 13894 | 15746 | 20457 |
| Number of cyclists killed | 4037 | 3125 | 2585 | 3559 |
What was the average number of pedestrians killed per day in the year 2017?