The game says ‘idli-vada’ for common multiples of 3 and 5. These are: 15, 30, 45, 60, 75, 90, 105, 120, 135, and 150. Thus, the 10th instance is at 150. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics Chapter ...
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Twin primes between 1 and 100 include (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), and (71, 73). These pairs differ by exactly 2. Class 6 Mathematics Chapter 5 Prime Time question answer Class 6 NCERT ...
The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 28 are 1, 2, 4, 7, 14, and 28. Their common factors are 1, 2, and 4. Class 6 Mathematics Chapter 5 Prime Time question answer Class ...
Prime time in maths refers to the concept of prime numbers—numbers greater than 1 with only two divisors: 1 and themselves. Examples include 2, 3, 5, 7, and 11. Class 6 Mathematics Chapter 5 Prime Time question answer Class 6 NCERT Ganita ...
56 and 63 are not co-prime. The prime factorization of 56 is 2³ × 7 and that of 63 is 3² ×7. Both share the common factor 7, disqualifying co-primality. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics Chapter 5 ...
225 is not divisible by 27. The prime factorization of 225 is 3² x 5², while 27 is 3³. Since 27 has a higher power of 3, it cannot divide 225. class 6 Mathematics Textbook Chapter 5 question answer class 6 Mathematics ...
True. Among primes, only 2 and 3 are consecutive. For all other primes, the next number is either even or divisible by a smaller prime, making it composite. This holds universally for prime numbers. Class 6 NCERT Ganita Prakash Chapter 5 ...