Question
For how many consecutive years, starting from 2018, has
New Delhi been ranked as the world’s most polluted capital city according to the Air Quality Report by IQAir?Solution
New Delhi has been ranked as the world’s most polluted capital city for four consecutive years from 2018 through 2021 according to the Air Quality Report by IQAir. This alarming distinction highlights the persistent challenge of air pollution facing the city, with PM2.5 levels indicating severe air quality issues.
A bag contains certain number of coins of different denominations. The ratio of the number of Rs. 1 coins to Rs. 2 coins is 4 : 5, respectively and the...
The ratio of investment of A and B is 2 : 5 and that of B and C is 3 : 7. Find the investment of B if sum of investment of A, B and C is Rs. 33600.
In a clothing store, the ratio of shirts to trousers to T-shirts is 2:6:5. After Y trousers are sold, the ratio of shirts to trousers changes to 4:9. Th...
A starts a business with Rs. 5650. After 8 months, B joins with A as his partner. After one year the profit is divided in the ratio 5:8. What is B&rsquo...
In a store, there is an inventory of 4,800 caps. Black caps constitute 41(2/3) % of this total, with the rest being blue caps. The caps that have been s...
Three numbers ‘A’, ‘B’ and ‘C’ are such that ‘A’ is half of ‘B’ and ‘C’ is equal to average of ‘A’ and ‘B’. If sum of th...
If 'A' = (2/5) of 'B', 'B' = (3/4) of 'C', then find the value of (A + B) :(B + C) .
Adarsh rented a travel bike for a mountain tour. If the bike is rented for 8 hours or less, the charge is Rs. 100 per hour or Rs. 8 per km, whichever is...
The ratio between the number of books and pencils is 7:5 and the ratio of cost of per book and pencil is 3:2 then find the percentage by which total cos...
Determine the mean proportion of 40 and 19.6
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