Estimate answers to percent problems involving 50%, 25%, and 15%
To find 50% of a number, divide the number 2
Dr. Osama M. Khaled
Mar 30, 2025 04:47 AM
Estimate answers to percent problems involving 1% and 10%
There is an easy way to find 1% of a number that does not require any calculations
Dr. Osama M. Khaled
Mar 22, 2025 09:35 PM
Amazon Elastic Block Store (Amazon EBS) Primer
Amazon Elastic Block Store (Amazon EBS) is an easy-to-use, high-performance, block storage service designed for use with Amazon Elastic Compute Cloud (Amazon EC2) for both throughput and transaction intensive workloads at any scale
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Mar 20, 2025 11:13 PM
Calculate the amount of discount the sale price, and the discount rate
Learn the vocabulary of discount sales to be a smart shopper
Dr. Osama M. Khaled
Feb 21, 2025 08:28 AM
Find the percent of increase or decrease
Percents can be used to describe how a quantity has changed
Dr. Osama M. Khaled
Dec 24, 2024 04:06 AM
Calculate commissions and commission rates
Instead of working for a salary or getting paid at an hourly rate,many salespeople are paid on commission.They earn a certain percent of the total dollar amount of the goods or services that they sell
Dr. Osama M. Khaled
Dec 13, 2024 09:43 PM
AWS architecture practice exam 1
Essential practice questions to refresh memory about basic concepts in AWS
Dr. Osama M. Khaled
Nov 10, 2024 09:59 AM
Exercises
Questions covering knowledge about solid
Dr. Osama M. Khaled
Oct 19, 2024 08:14 AM
BPMN (Business Process Model and Notation)
This quiz will remind you with the basics of the BPMN that you need to know in your analysis work. It should be fun and easy.
Dr. Osama M. Khaled
Oct 18, 2024 06:44 AM
Elasticity and Hooke's Law
The elasticity of a substance is a measure of how well it returns to its original shape
Dr. Osama M. Khaled
Sep 29, 2024 01:04 PM
AWS Backup Primer
Backups are an essential component of your business resiliency and operational commitments
Dr. Osama M. Khaled
Sep 20, 2024 03:00 AM
War on Gaza in Numbers
Al Jazeera introduced a live tracker to capture statistics about the war on Gaza. Solve the questions to find the truth. The quiz is based on the latest report generated on Sept 10 2024.
Dr. Osama M. Khaled
Sep 19, 2024 08:36 PM
Amazon Simple Storage Service (S3)
Amazon S3 is an object storage service that offers industry-leading scalability, data availability, security, and performance
Dr. Osama M. Khaled
Sep 13, 2024 03:07 AM
AWS Database Migration Service
AWS Database Migration Service (AWS DMS) is easy to use. You do not need to install drivers or applications, and it typically does not require changes to the source database.
Dr. Osama M. Khaled
Sep 10, 2024 11:48 PM
Pressure
Pressure is the force divided by the area over which the force is applied
Dr. Osama M. Khaled
Sep 09, 2024 11:00 AM
AWS Well-Architected Framework
The AWS Well-Architected Framework can help you understand the pros and cons of the decisions you make when building on Amazon Web Services (AWS)
Dr. Osama M. Khaled
Sep 02, 2024 10:26 PM
AWS Lambda
AWS Lambda is an event-driven, serverless compute service that lets you run code without provisioning or managing servers
Dr. Osama M. Khaled
Aug 27, 2024 06:08 AM
AWS Cost Optimization
A cost-optimized workload fully uses all resources, achieves an outcome at the lowest possible price point, and meets your functional requirements
Dr. Osama M. Khaled
Aug 23, 2024 12:20 AM
AWS Step Functions
AWS Step Functions is a low-code visual workflow service used to orchestrate AWS services, automate business processes, and build serverless applications
Dr. Osama M. Khaled
Aug 16, 2024 02:24 AM
AWS CloudFormation
You can use CloudFormation to treat your infrastructure as code
Dr. Osama M. Khaled
Aug 15, 2024 03:56 AM
Specific Gravity
The specific gravity of a substance is often listed in tables instead of either mass density or weight density
Dr. Osama M. Khaled
Aug 14, 2024 10:54 AM
Amazon API Gateway
Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale.
Dr. Osama M. Khaled
Aug 14, 2024 02:20 AM
AWS Identity and Access Management (IAM)
AWS Identity and Access Management enables you to securely control individual and group access to AWS resources
Dr. Osama M. Khaled
Aug 14, 2024 01:26 AM
AWS Technical Essentials Review
Testing your essential technical knowledge in AWS cloud technology
Dr. Osama M. Khaled
Aug 13, 2024 02:51 AM
Calculate sales taxes, total cost, and tax rates
Calculating sales taxes, total cost, and tax rates are important concepts to understand receipts and invoices while shopping.
Dr. Osama M. Khaled
Aug 11, 2024 10:35 AM
Monitoring, Load Balancing, and Scaling Essentials
Monitoring, Load Balancing, and Scaling are all tools to ensure the reliability, stability and failover of your systems.
Dr. Osama M. Khaled
Aug 09, 2024 05:48 AM
AWS Databases Essentials
A high-performing database is crucial to any organization. Databases support the internal operations of companies and store interactions with customers and suppliers.
Dr. Osama M. Khaled
Aug 07, 2024 11:32 PM
AWS Storage Essentials
Cloud computing allows for easy, quick, and flexible manipulation of storage
Dr. Osama M. Khaled
Aug 05, 2024 08:23 PM
Solve percent equations to find the base
We translate the percent sentence into a percent equation and then find the unknown.
Dr. Osama M. Khaled
Aug 02, 2024 10:55 AM
AWS Networking Essentials
Networking is how you connect computers around the world and allow them to communicate with one another
Dr. Osama M. Khaled
Aug 01, 2024 03:52 AM
