The day was introduced in 1987, when the Montreal Protocol was signed. Since 1994, World Ozone Day is celebrated on 16th September which was established by the United Nations General Assembly. This day reminds people about the depletion of the Ozone Layer and to find solutions to preserve it. The theme for 2022 was " 'Global Cooperation Protecting Life on Earth".
The total number of students in a school is 20020. If the ratio of boys to the girls in the school is 73:81 respectively, then find the total number of ...
A sum of Rs. 723 is divided among X, Y and Z such that X gets Rs. 168 more than Y. Y gets Rs. 78 more than Z. Find the share of Z?
If 3 kg of metal, of which 1/4 is aluminium and the rest is magnesium, be mixed with 5 kg of metal, of which 1/3 is aluminium and the rest is magnesium,...
P, Q and R together started a business. Seven times the investment of P equals eight times the investment of Q and the capital of Q is twice that of R. ...
120 is divided into two parts in such a way that the sixth part of the first part and the seventh part of the second are in the ratio 5 : 6. How much pe...
The price of sugar is increased by 40%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original c...
If the number of coins in purse A and purse B is in the ratio 4:5, and the number of coins in purse C to purse D is in the ratio 3:4. Additionally, the ...
The incomes of A, B, and C are in the ratio 3:4:5, and their expenditures are in the ratio 2:3:4. If A saves ₹2,000, what is the income of C?
Total population of city P and Q is 2240 and 2650 respectively. If the ratio of number of males to females in city is P and Q is 4:3 and 3:2 respectivel...
Find 'X' if the below three numbers are in proportion.
2.6, 1.3, X