Daily Challenge G:5-6 29 May

Student Name:

Type your Email here:

Phone Number:

For any two whole numbers x and y, let x Δ y be defined by x Δ y = 3x – y 2 . Therefore, 1 Δ 1 = 2 and 3 Δ 2 = 5. What is the value of (5 Δ 1) Δ 6?

• 5

• 7

• 6

• 3

There are 15 tables in Camille's Cafe. Some of those tables can seat  6 people, and the rest of them can only seat 4  people. If a maximum of 76 people can be seated at Camille's Cafe, how many 6-people tables does the cafe have?

• 81

• 6

• 8

• 3

Solve:

54x78x21x90x0x1

• 6

• 1

• 4

• 3

Sixty-eight college basketball teams battled for the NCAA tournament championship title in the year 2014. The losing team of each game was eliminated from the tournament. What was the total number of games played in the 2014 NCAA tournament?

• 67 games

• 65 games

• 21 games

• 1 game

Find the sum of all prime numbers that are less than 100 and contain a digit of 5.

• 112

• 23

• 117

• 54