SATT ACADEMY

Email:

Password:

Remember Me

Forgot your password?

New to Satt Academy? Create an account

or

Log in with Google Account

Edit Description

Fill up the form and submit

Question

তেজস্ক্রিয় $25_{N a}$ এর অর্ধায়ু 15 দিন। উহার 60% ক্ষয় হতে কত দিন?

11.06

13.02

19.83

20.83

28.06

ANSWER : 0

Descrption

Please, login first. click here to login

Cancel Login

©2024 SATT ACADEMY. All rights reserved.