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If he drives at the constant speed for the first 100km before increasing the speed by 30%, it also takes him one hour less than the usual... Which of the following statements is NOT t[r]
(1)BỘ GIÁO DỤC VÀ ĐÀO TẠO
ĐỀ THI CHÍNH THỨC
CUỘC THI GIẢI TỐN QUA INTERNET NĂM 2015 VỊNG THI CẤP TỒN QUỐC
LỚP TIẾNG ANH Ngày thi : 10/04/2015 Thời gian làm : 60 phút
Test Web Easy level
When the polynomial
is divided by , the
remainder is {} Key: -5
2
If then x = {}
Key: -4
Given that 75k is a perfect cube, the least positive integer k is {}
Key: 45
If n is a natural number such that is a square number, then n= {}
Key:
Medium level
On the number line, point A has coordinate -4 and point B has coordinate
If point C is the midpoint of AB, then its coordinate is {} Key:
2
The root of the equation is x = {} Key:
(2)Key: 20
Hard level
A triangle ABC has and the bisector AD If AB=40cm, AD = 30cm, then AC = {} cm Key: 120
2
Key: -2
Mr Joseph drives car from A to B at a constant speed If the speed of the car is increased by 20%, it takes him one hour less than the usual time If he drives at the constant speed for the first 100km before increasing the speed by 30%, it also takes him one hour less than the usual The distance of AB is {} km
Key: 360
Test Cóc vàng (Đáp án A đáp án đúng) Easy level
1
(3)4
Which of the following statements is NOT true?
a
b c d
Medium level
As shown in the figure, the length of BE is…
2
(4)2
3
2 -2
Test Mê cung Easy level
1
(5)3
Key:
5
Key: 35
Medium level
(6)Key:
5
As shown in the figure,
the minimum value of
is …
(Figure is not to scale) Key: 10
6
Key: 13 Hard level
(7)Key: