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C is incorrect at its place. Striving statistical justification is incorrect. Instead, the correct word here should be ‘establish’. So, B-C need to be interchanged. A and D are correct. The idea of a national caste census might be abhorrent when the stated policy is to strive for a casteless society, but it will be useful to establish statistical justification for preserving caste-based affirmative action programmes.
The average age of three children is 21 years. If their ages are in the ratio 3:5:6. Find the age of the youngest child.
The average of five consecutive odd numbers is 45. What is the average of the first three numbers among them?
The average age of 15 children and their teacher's age are 12 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
The average mark obtained by Khushi in four papers was 51, and in the fifth paper, she obtained 56 marks. Find his new average in all five papers.
When the average age of a husband and wife and their son was 44 years, the son got married and a child was born just one year after their marriage. When...
The average score obtained by 26 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
The average age of 32 children and their teacher's age are 28 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The average of 18 numbers is 36. If 4 is added to each number, then the new average will be: