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Start learning 50% faster. Sign in nowThe mobile app Khanan Prahari, which allows citizens to report incidents of illegal coal mining through geo-tagged photographs and textual information, is a significant step taken by the Ministry of Coal towards curbing illegal coal mining activities.
The average of two numbers is 2 more than the smaller number among them. If the greater number is 20% more than the smaller number, then find the sum of...
Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
In a cricket match the captain of one of a team scored 24 runs more than the average runs scored by the remaining 7 batsmen of that team who batted in t...
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...
Average age of a class of 33 students is 14 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
The average Economics marks of two sections A and B of class X in the annual examination is 70. The average marks of Section A is 72.5 and that of secti...
The average age of 13 girls is 40 years. If the age of one more girl is added the average decreases by half a year. What is the age of new girl?
Consider three positive numbers that form a ratio of 2:3:4. If the sum of the squares of these numbers is 2349, what is the average of the largest and t...
The average score of 'x' boys is (x + 5), and the average score of 30 girls is (3x - 10). If the combined average score of all students is 60, then find...
