A teacher wants 5 of her 15 students to write a skill test. In how man..
A teacher wants 5 of her 15 students to write a skill test. In how many ways can she select 5 students? => 3008 or 2998 or 3013 or 3003..
Skill and Accuracy of the Observer
Suppose three students A, B and C measure the volume of the liquid in a cylinder. They report the following values: Result of A: 23.4 mL; Result of B= 23.5 mL; Result of C= 23.6 mL If the correct volume of the liquid is 23.5 mL, it means that the student B has measured the volume of the liquid cor..
A survey conducted in a city revealed that 70 people do not like to li..
A survey conducted in a city revealed that 70 people do not like to listen to the classical music out of 100 people surveyed. Find the fraction of people who like to listen to the classical music. => 1 2 or 1 10 or 7 10 or 3 10..
There are 6 teachers for every 240 students in a school. Identify the ..
There are 6 teachers for every 240 students in a school. Identify the ratio of students to teachers in three ways. => 1 : 40, 1 to 40, and 1 40 or 41 : 1, 41 to 1, and 41 1 or 40 : 1, 40 to 1, and 40 1 or 42 : 1, 42 to 1, and 42 1..
A school has 15 teachers out of which 9 are male. A team of 9 teachers..
A school has 15 teachers out of which 9 are male. A team of 9 teachers is to be formed with 5 female teachers. In how many ways can the team be formed? => 776 or 746 or 756 or 766..
A music company launched a new audio CD that had 15 songs. The duratio..
A music company launched a new audio CD that had 15 songs. The duration of each song was 5 minutes. Anny got the CD and started listening to the songs at 11:30 a.m. Find the time at which she finished listening to all the songs in the CD. => 12:45 a.m or 12.25a.m or 12:25p.m or ..
A teacher had a stack of notebooks. If there were 25 books in the stac..
A teacher had a stack of notebooks. If there were 25 books in the stack and the teacher distributed them evenly among five of her favorite students, then how many books would each student get? => 3 or 10 or 5 or 8..
There are 5 teachers for every 20 students in a class. Which one of th..
There are 5 teachers for every 20 students in a class. Which one of these represents the ratio of students to teachers? => 1 : 2 or 1 : 4 or 2 : 1 or 4 : 1..
Identify the concept discussed. There are 5 teachers for every 20 stud..
Identify the concept discussed. There are 5 teachers for every 20 students in a class. => proportion or rate or not enough information or ratio..
The circle graph represents the way in which 77 teachers were allotted..
The circle graph represents the way in which 77 teachers were allotted for different subjects. Find the number of teachers who were not allotted Social Studies. => 64 or 77 or 67 or 13..
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