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Start learning 50% faster. Sign in nowT and V system, 1974 started by Daniel Benor is also known as Baster and Benor scheme.
The average height of each student in a class of 36 students is 169 cm. If 4 new students joined the class, then the average height of the each student ...
The average age of a family of 3 members is 36 years. If the father’s age is 10 years more than the mother’s age, and the age of the son is 4 years ...
The total number of teachers in Department A and Department B together is 112. The number of teachers in Department A is 80% more...
The average of 10 numbers is 30. If one of the numbers is excluded, the average of the remaining numbers becomes 28. Find the excluded number.
In a school, the average number of books that some numbers of boys have is 120 and average number of books that some numbers of girls have is 85. If eac...
The average weight of 6 people is 80 kg. When two new people with their weights in the ratio 2:3 joined the group, the average weight of all the people ...
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...
Daksh bought 21 notebooks for Rs.1260 from shop A and 14 notebooks for Rs.1190 from shop B. What is the average price he paid per book?
[123 ÷ 8 ÷ 9] × 144 = ? + 12 × 5
Average weight of each student, in a class of 70 students, is 86kg. If the ratio of number of boys and girls in the class is 4:3, respectively and avera...
