Let the smaller number be x. Then the larger number is x plus 10. Their sum is 64. Solving the equation gives x equal to 27. Therefore, the two numbers are 27 and 37.
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If m represents the number of matches played, then the total amount paid is 200 plus 50m. The amount increases by 50 rupees for every additional match played by the member.
The perimeters are 4 cm, 6 cm, 8 cm, 10 cm and 12 cm respectively. When the side increases by 0.5 cm, the perimeter increases by 2 cm each time. This shows a linear pattern.
NCERT Class 9 Maths Ganita Manjari Chapter 8 “Predicting What Comes Next: Exploring Sequences and Progressions” explains number patterns. It covers sequences, arithmetic progressions and pattern recognition in mathematical and real-life situations.
NCERT Class 9 Maths Ganita Manjari Chapter 7 “The Mathematics of Maybe: Introduction to Probability” introduces basic probability concepts. It explains chance, outcomes and simple probability calculations using real-life examples.