Four companies (A, B, C, D) were supposed to share a job equally. If Company C performed 40% of Company A's assigned work in addition to its own, what percentage of the total work did Company C complete?
The side length of an isosceles triangle is 5. Which of the following cannot be the length of the base?
The average weight of 8 girls in a class was 67 kg. After a new girl joined, the average weight became 66 kg. Find the weight of the new girl.
The temperatures for the first days of March were 11, -6, 11, 3, -9, -12, 7, -14, -5, 13. Find the median of this data.
Evaluate the expression:
Find the Least Common Multiple (LCM) of the Greatest Common Divisors (GCD): \( LCM [GCD(24, 36), \ GCD(30, 45)] = ? \)
It takes 1 hour to sew the edges of a square curtain. How many hours will it take to sew the edges of a square curtain with 4 times the area?
How many 5-digit odd numbers can be formed without repeating digits?
There were 35 logs in total, consisting of long logs and short logs. Long logs were cut into 5 pieces, and short logs into 4 pieces. If the total number of cuts made to long logs equals the total number of cuts made to short logs, how many cuts were made in total?
Using one digit '3', one digit '4', and two digits '5', how many different 2-digit numbers can be formed?
Bat, Dorj, Bold, Naraa, and Saraa participated in an Olympiad. They made various statements about their rankings (Bat: 1st, Dorj: 2nd, etc.). If exactly one person lied, who placed 4th?
Four different prime numbers are given such that the sum of any two, any three, and all four are prime. What is the smallest possible sum of all four?
The area of the intersection of two squares is 1/4 of the smaller square's area and 2/9 of the larger square's area. Find the ratio of the smaller square's area to the larger square's area.
Each student in a class belongs to exactly two clubs: Chess, Music, or Math. 16 students do not attend Chess, 15 do not attend Music, and 13 do not attend Math. How many students are in the class?
Find the 2017th term of the sequence: 2, 6, 12, 20, 30, ...