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" Discovery " is the most appropriate word to fill in the blank as it denotes a significant finding or breakthrough, which aligns with the context of a major advancement in the field of environmental science.
There are 15 numbers such that average of first 12 numbers is 65 while the average of last five numbers is 76. Find the 12th number, if the ratio betwee...
A park has an average of 140 visitors on Sundays and 80 on other day. The average number of visitors in a month of 30 days starting with Sunday is
The average of 22 numbers is 90. The average of the first 14 numbers is 95, while the average of the last 10 numbers is 85. If the 14th number is remove...
The average age of A and B is 3 years more than the average age of A and C. If B’s current age is 4/3 times A’s age, and C is 2 years older than A, ...
If the average of two numbers is 20 and the square root of their product is 16, then the difference between the numbers is:
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 74.5 while average of last 5 numbers is 84.8 and 13th, 14th a...
The average income of a group of 30 freelancers is Rs. 500. If 3 freelancers earning an average of Rs. 550 leave the group and 1 freelancer earning Rs. ...
Average run scored by a batsman in first ‘x’ matches is 75. In next 13 matches he scored runs with an average of 90 so that his overa...
The average age of a group of 24 persons is found to be 28 years. Later it is found that age of two of the persons is calculated as 32 and 64 instead of...