Скачать или смотреть Day 14 | RRB Group D Maths in telugu | PYQs | Aptitude by Win with us

Welcome to Day 14 of our 50-Day RRB Group D PYQ Challenge! 🔥

Are you ready to ace the RRB Group D exam? Join us in this exclusive 50-day video series where we will solve the most important Previous Year Questions (PYQs) for all subjects.

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Day 14 | RRB Group D Maths in telugu | PYQs | Aptitude by Win with us

Day 14 | RRB Group D Maths | PYQs | Aptitude by Win with us

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OG stands for Only Government Job
Meaning of OG : Only Government Job

This video, titled "Day 14 | RRB Group D Maths in telugu | PYQs | Aptitude by Win with us," is a Telugu-language tutorial solving various quantitative aptitude previous year questions (PYQs) relevant for the RRB Group D examination.
The tutorial walks through ten different problems from various mathematical topics, explaining the concepts and providing shortcuts for competitive exams.
Here is a summary of the topics and key solutions discussed:
Number System/Simplification (BODMAS Rule) [00:00]:
An expression involving various brackets and operators is simplified using the BODMAS rule (Brackets, Of, Division, Multiplication, Addition, Subtraction). The final value is calculated as 23 [01:46].
Sum of Odd Numbers [01:57]:
The concept that the sum of the first 'n' odd numbers is n^2 is demonstrated. The sum of the first 10 odd numbers is calculated as 10^2, which equals 100 [02:34].
Average [02:37]:
The overall average runs of a batsman over 33 matches are calculated, given the average for the first 23 matches (43 runs) and the next 10 matches (14 runs). The calculated final average is approximately 34.21 [04:32].
Ages [04:52]:
A problem is solved to find out after how many years the father's age will be double the son's age, given a relationship between their ages four years ago. The answer is found to be 29 years [06:29].
Time and Work [06:49]:
Using the LCM and efficiency method, the time taken by person 'C' alone to complete a job is calculated. A, B, and (A+B+C) take 17, 12, and 2 days, respectively. C alone takes \frac{204}{73} days, which is approximately 2\frac{58}{73} days [09:17].
Simple Interest [09:33]:
The simple interest on ₹1200 is calculated for 12 months at a rate of 3% per month. The total rate is 3\% \times 12 = 36\%. The Simple Interest is ₹1200 * 36%, which is ₹432 [10:11].
Compound Interest [10:20]:
A shortcut is used to solve a Compound Interest problem where a sum triples in 16 years. The time it takes for the sum to become 9 times (which is 3^2) is calculated as 2 \times 16 = \mathbf{32 \text{ years}} [10:55].
Geometry (Polygons) [10:59]:
A regular polygon's number of sides (n) is determined by the condition that the sum of its interior angles is four times the sum of its exterior angles. The number of sides (n) is 10. The number of diagonals is then found to be 35 [12:21].
Statistics (Mode) [12:25]:
The mode of a given set of student marks is found by identifying the number that occurs most frequently. The value 12 is the mode [13:12].
Trains (Time, Speed, Distance) [13:17]:
The final question involves calculating the time taken for one train to completely cross another train moving in the opposite direction.

The video sets up the calculation and leaves the final simplification as a practice question for the viewer [15:56].

Maths for Railway exams

Arithmetic classes in telugu for RRB group D

​In today's video (Day 14), we We Will provide :

​In-depth analysis of the questions.
​Detailed, step-by-step solutions that are easy to follow.

​Time-saving tricks and shortcuts to boost your speed and accuracy.
​Key concepts and formulas to remember for the exam.


​Check out our other resources in our channel, particularly, Zero to Hero series.


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