The number 13 and 31 are prime numbers Both these
numbers have same digits
1 and 3 Find such pains
of prime numbers upto 100

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.