Refer the table and answer the question.
For which of the following pairs of years are the toal exports from the 3 companies together, equal?
Company 2017 2018 2019 2020 2021
P 2000 4000 2000 3000 4000
Q 1500 3000 1500 3000 3000
R 1400 2000 2000 3000 3000
The figure shows production of mobiles in lakh units of 4 cities in different years.
What is the ratio between the average production in Delhi and Kolkata during the period of 2019-2022
In a room, there are some chairs and some people. If on each chair, only one person is seated, then there is no chair for exactly one person. If on each chair, two persons sit, then there is one vacant chair. What is the number of chairs in the room?
Two athletes are participating in a race on a circular track of 220 m. Ravi runs at the speed of 22 m/s, while Kapil runs at the speed of 11 m/s. After how many seconds will they meet for the first time?
If books bought at prices ranging from ₹200 to ₹260 are sold at prices ranging from ₹250 to 300, what is the greatest possible profit that might be made in selling 25 books?
Three people, A, B and C, invest in a business in the ratio 2 : 3 : 5. If the total profit was ₹2,50,000, then find the share of C in the profit (in ₹).
In a class of 150 students (boys and girls only), the girls are 60. The average weight of boys is 52 kg and that of girls is 48 kg. What is the average weight (in kg) of the whole class?