TIMO Khối 6 – Vòng Quốc gia (Heat Round) – Đề số 4

There are 16 pieces of white chopsticks, 27 pieces of yellow chopsticks and 46 pieces of blue chopsticks mixed together. If you want to get 2 pairs of white chopsticks and 3 pairs of chopsticks in another colour, at least how many pieces of chopsticks should be taken out randomly?

Different: Khác nhau; At least: Ít nhất.

There are some chickens and rabbits in a cage. The number of chickens is 4 times as the number of rabbits. They have 240 legs in total. How many chickens are there? 4 times as:

Gấp 4 lần;

In total: Tổng số

It requires 16 minutes to cut a piece of wood into 9 sections. If the time required to cut into each section is the same, how many minute(s) is / are required to cut the wood into 11 sections?

Require: Yêu cầu; Section: Phần; The same: Giống nhau; Minute: Phút.