Level 3
There were 412 boys and 114 more girls than boys in a hall. Later, 20 boys and 10 girls left the hall. How many fewer boys than girls were there in the end?
Level 3
There were 318 boys and 104 fewer girls than boys in a hall. Later, another 30 boys and 20 girls joined them. How many more boys than girls were there in the end?
Level 3
An even 5-digit whole number is made up of different digits. The digit in the ten thousands place is the smallest even number. It is 5 less than the tens digit. The thousands digit is twice of the hundreds digit. The hundreds digit is 4 less than the tens digit. What is the smallest possible 5-digit whole number?
Level 3
There were 22 women, 19 men and 14 children onboard a bus. At the first bus-stop, 5 women, 2 men and 8 children alighted. At the same time, 25 children and 4 men boarded the bus. How many more adults than children were there in the bus after leaving the first bus-stop?
Level 2
A pitcher contained some ice tea. After Leslie had poured 350 mℓ of the ice tea into a glass, the pitcher still contained 250 mℓ more ice tea than the glass. How many millilitres of ice tea contain at first?
