Exercise 2
247 x 253 = ?
Correct!
Wrong!

$167^3 + 145^3  312^3$ = ?
Correct!
Wrong!

$65^3 + 35^3$ = ?
Correct!
Wrong!

A number when divided by 77, gives 31 as remainder. What is the remainder when it is divided by 11?
Correct!
Wrong!

A number when successively divided by 5, 6, and 7 leaves remainders 1, 5 and 4 respectively. Find the remainders when the same number is divided by 7, 6 and 5 successfully?
Correct!
Wrong!

Problems on Numbers  Exercise 2