Mental maths

-------- days in a week

-------- months in a year

------ in a dozen

which is an odd number

• 120

• 240

• 375

• 896

which one is a even number

• 389

• 675

• 310

• 505

leap year comes after every --------- years

last leap year was in -------

in a leap year february has _______ days

_______ days in a year

________ days in a leap year