Lesson: Challenging Problem Solving - 14t04

Advanced Number Properties: Know The Rules, Continued

[Page 14 of 37]

The following question requires that we identify two Number Properties relationships - neither Picking Numbers nor Backsolving will work here. Let's work through the problem below, using our knowledge of Number Properties to get to the correct answer. Review the question, and then proceed to the task below.

How many positive integers less than 60 are equal to the product of a positive multiple of 5 and an even number?
4
5
9
10
11
This question stem suggests that two Number Properties concepts will be central to solving this problem. What are they?

1:

2:

Our first rule involves multiples of 5. What do we know about multiples of 5? Use your knowledge of divisibility rules to complete the rule below, and then click Continue.

A number that is a multiple of 5 has a last digit that is a or a .
Our second rule involves the product of an even number. What do we know about the multiplication of odds and evens? Use your knowledge of odd/even rules to complete the rules below, and then click Continue.

The product of an even and an is .
The product of an even and an is .

Back Next

Next to display next topic in the chapter.

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

Quantitative Aptitude Reasoning English General Knowledge Picture Patterns
Current Menu

Test Prep New

Practice MCQs

Admission Tests

Section Lessons

US Degrees

Pak Universities

Employment

ISSB Selection

ISSB Procedures

Test Preparation

Non-Verbal Tests

Thematic Tests

GTO Tasks

Pak Air Force

Pak Army

Pak Navy

Schools & Colleges

Expressions

Essays

Education News

Scholarships & Study

About us

EntryTest.com is a test preparation service for students seeking successful career.

About Disclaimer

Quick Test Prep

NUST NET IBA Karachi SAT LUMS LCAT LSE

 

NTS GAT NTS NAT GMAT GRE ACT

Study Abroad

Education Abroad Business Schools MS in USA