यदि कोई छात्र दो अंकों की एक संख्या में उसके अंकों को उलटने पर प्राप्त संख्या को जोड़ता है, तो प्राप्त योग हमेशा किससे पूर्णतः विभाज्य होगा?

What is the remainder when (120)188 is divided by 7?

What is the unit digit of the product of all even numbers between 1 and 11?

When a number is divided by 136, it leaves a remainder of 36. If the same number is divided by 17, what will be the remainder?