SNES MATH AVERAGE AND DIFFICULT

What is the largest 4-digit even number that can be formed using the digits 8, 1, 7, and 5 once?

The length of a rectangle is 4 cm longer than its width. If its area is 96 cm², what is its length?

A school hired several buses to take 446 pupils on a eld trip. If each bus can accommodate at most 70

pupils, at least how many buses should be hired?

Round the sum of 644,338 and 758,884 to the nearest thousands.

Twenty rabbits are put in 4 cells, so that there are dierent number of rabbits in each cell, and each cell

contains at least 3 rabbits. What is the largest possible number of rabbits in one cell?

What is 45 meters per minute in centimeters per second?

Simplify: [2 x (3 + 6) - 3 x (4 - 2)] ÷ (6 ÷ 2).

A man sold one-fifth of his land, and then sold again two-thirds of what remained. He had 3 1/3 hectares

left. How much land had he at first?

If 4 apples cost the same as 9 bananas, and 4 melons cost the same as 10 bananas, how many melons can be bought for the price of 20 apples?

Alvin can finish cleaning their house in 4 hours, while his younger sister can finish it in 6 hours. If they

do it together, what fraction of the house can they clean in an hour?