UPSC CSAT Number System PYQ || CSAT 2022 - Number System 4 | Best Tricks & Shortcuts

UPSC CSAT 2024 Prep || CSAT 2022 - Number System Session 4 | Best Tricks & Shortcuts for Difficult Problems #csat #upsc #upscprelims
In this video,
We will discuss a few previous year's questions from UPSC CSAT 2022 based on the topic of the Number System. We will solve the question with the best shortcuts and tricks while understanding the concepts in the case of each question.
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CSAT 2022 Questions Discussed in the video:
** What is the value of X in the sequence 2, 12, 36, 80, 150, X ?
** The sum of three consecutive integers is equal to their product. How many such possibilities are there?
** Let A, B and C represent distinct non-zero digits. Suppose x is the sum of all possible 3-digit numbers formed by A, B and C without repetition.
Consider the following statement:
The 4-digit least value of x is 1332.
The 3-digit greatest value of x is 888.
Which of the above statements is/are correct?
** What is the number of numbers of the form 0.XY where X and Y are distinct non-zero digits?
** One non-zero digit, one vowel and one consonant from English alphabet (in capital) are to be used in forming passwords, such that each password has to start with a vowel and end with a consonant. How many such passwords can be generated?