SaiBook.us SAT-1

Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Percentage

Grade: 1300-a Lesson: S4-L1

Explanation: Hello students, we have already learned about the concept and the example. Now it’s time to discuss the problem-solving in quiz-discussion.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	What percentage of numbers from 1 to 100 have 1 or 8 in the unit’s digit?	A) \$20%\$ B) \$30%\$ C) \$25%\$ D) \$15%\$
Steps 2	If A is 80% more than B, by what percent is B less than A?	A) 35.48% B) 44.44% C) 36.48% D) 55.48%
Steps 3	If decreasing 45 by x percent is the same as increasing 15 by x percent, what is the value of x?	A) 60 B) 40 C) 70 D) 50
Steps 4	A student multiplied a number by 60 instead of 80. What is the percentage error in the calculation?	A) 50% B) 30% C) 25% D) 75%
Steps 5	Convert percents into decimal \$136.2%\$.	A) \$136\$ B) \$1.362\$ C) \$1.36\$ D) \$133\$

Problem Id

Problem

Options

Steps 1

What percentage of numbers from 1 to 100 have 1 or 8 in the unit’s digit?

A) \$20%\$

B) \$30%\$

C) \$25%\$

D) \$15%\$

Steps 2

If A is 80% more than B, by what percent is B less than A?

A) 35.48%