Arithmetic Operations and Problem Solving

This video tutorial covers a range of arithmetic problems from the Accuplacer test, focusing on questions 11 to 20. It includes detailed explanations on adding mixed numbers, rounding fractions, calculating averages, multiplying with exponents, dividing fractions, and solving percentage problems. The video also addresses geometry concepts like the triangle angle sum theorem and practical applications such as fabric usage and tiling cost calculations.

What is the sum of 2 1/2 and 4 2/3?

• 8

• 7 2/3

• 7 1/6

• 6 1/6

How do you round 1345/99 to the nearest integer?

• 16

• 15

• 14

• 13

If the average of four numbers is 8 and the sum of three numbers is 22, what is the fourth number?

• 8

• 6

• 10

• 12

What is the result of multiplying 46.2 by 10 to the negative two?

• 46.2

• 4.62

• 0.462

• 0.0462

What is the result of dividing 3/2 by 1/4?

• 12

• 3

• 6

• 1

What is 12% of 120?

• 24

• 28.8

• 14.4

• 12

If 1/3 of the books are history and 1/6 are English, what fraction are science books?

• 1/6

• 1/3

• 1/4

• 1/2

What is the measure of the third angle in a triangle if two angles are 35 and 45 degrees?

• 90

• 110

• 100

• 120

If 2/3 of the fabric is used, how much is left?

• 3/4

• 1/2

• 2/3

• 1/3

What is the total cost of tiling a 12x8 feet kitchen floor at $2.50 per square foot?

• $300

• $360

• $240

• $180