Question

Please tell me this question please tell me 3 question

Answer 1

Answer:

1.prime numbers-2,3,5,7,11,13,17,19,23,29=10prime number

(2)even prefect square=4,16,36,64,100,144,196,...=15

(3)7,14,21,28=4

2. (1)13by52=4

(2)4by52=13