Complete the following sequence:

21, 28, 35, _________, _____________

You have to put 70 gallons of water in some containers. Each container can hold only 10 gallons of water. How many such containers will you need?

A lion roars when the time is an odd number. It roared at 3 AM, 5 AM, and 7 AM. When will it roar again?

An elephant can drink 20 liters of water in 10 hours. How many liters of water it can drink in 50 hours?

Complete the following sequence:

101, 103, 106, 108, 111, _______, ___________

John is 23 years old, and Tom is 2 years older than John. After how many years, Tom will be 42 years old?

Complete the following sequence:

3, 6, 9, ________, _________, 18

Write two different equations to divide 6 apples among 3 monkeys. Each monkey should get at least one apple.

Write 67 in terms of hundreds, tens, and ones:

Write 734 in terms of hundreds, tens, and ones:

Tommy is 6 years younger than Lilley. If Lilley is 43 years old, how old is Tommy?