A number is divisible by 4 if the number formed by its last two digits is divisible by 4. For example, 132 is divisible by 4 because 32 (the last two digits) is divisible by 4. Between 1730 and 1740: ...
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There are 25 prime numbers between 1 and 100. These include all numbers that have exactly two divisors: 1 and themselves. Examples are 2, 3, 5, 7, 11, 13, and so on. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics ...
The multiples of 25 are 25, 50, 75, 100, 125, etc. Excluding multiples of 50 (50, 100, etc.), examples include 25, 75, and 125. These numbers are divisible by 25 but not 50. Class 6 NCERT Ganita Prakash Chapter 5 Prime ...
‘Idli’ is said 300 times, ‘vada’ 180 times, and ‘idli-vada’ 60 times. These counts correspond to multiples of 3, 5, and both 3 and 5 (LCM 15) up to 900. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics Chapter 5 ...
Yes, Guna is correct. Any two prime numbers are co-prime because their only common factor is 1. For example, 3 and 5, or 11 and 17, share no divisors other than 1. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics ...