IdeasCuriosas - Every Question Deserves an Answer Logo

Questions in Grade Middle-school

[Answered] There are 50 questions to answer in a trivia contest. Each player starts with 100 points. A player earns 10 points for each correct answer but loses 4 points for each incorrect answer. Each player must answer all 50 questions. What is the fewest number of questions a contestant must answer correctly to get a score over 350?

[Answered] Solve the equation: \[ 3(4d + 1) - 9d = 6 - 2d \]

[Answered] In rabbits, black fur is dominant over white fur. Show the cross of a heterozygous black male with a homozygous white female.

[Answered] You work at a clothing store, and your boss wants you to find out which type of shirt had the highest percentage of sales. You found that 13 out of 20 tank tops were sold, and 15 out of 25 T-shirts were sold. Which percent represents the type of shirt with the greater percentage sold? A. 15% B. 13% C. 60% D. 65%

[Answered] How did machines speed up textile manufacturing?

[Answered] What type of rock is the Haystack Rock? A. Igneous B. Metamorphic C. Sedimentary

[Answered] List two methods of active transport.

[Answered] A light plane flew from its home base to an airport 255 miles away. With a headwind, the trip took 1.7 hours. The return trip with a tailwind took 1.5 hours. Find the average airspeed of the plane and the average wind speed.

[Answered] What times what equals 16?

[Answered] Do you know 3 prime numbers that sum up to 32?