Question
"The scientist’s groundbreaking research on renewable
energy sources was hailed as a major _______ in the field of environmental science." Select the most appropriate word to fill in the blank:Solution
" 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.
- Among 1080 students in an institute, the ratio of boys to girls is 6:3. If 10% of boys and 20% of girls failed their exams, calculate the number of failed ...
The respective ratio of monthly income of A to monthly income of B is 7:8, and A’s saving is (100/8)% more than B’s saving. Find the expenditure of ...
In a school election between two candidates, 12% of the total votes were invalid. Of the valid votes, the winner got 58% and won by 1,392 votes. Find th...
A gave 40% of amount to B. B gave 30% of amount received from A to C. If amount received by C from B is Rs.144, then find the amount received by B from A.
Kiran spent 12% of his monthly income on education, 28% on entertainment, 15% on rent, 30% on travelling and the rest on savings. If the difference betw...
In an examination the percentage of students qualified with respect to the number of students appeared from school A is 75%. The number of students appe...
Population of a village is three lakh out which 40% were male and the rest were females. The male population earned a profit of 6% and the female popula...
When the income of the man is increase by Rs. 9000 then tax rate reduces from 18% to 15%. While in both the situation 25% income is tax free. Find his i...
- The price of fuel increases by 10%, and a person reduces his usage by 5%. Find the percentage increase or decrease in his expenditure.
In a job fair, 50% of the people are graduates, one fifth of them are post graduates and rest are double graduates. If three-fourth of the graduates, 60...
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