Question | Answer | % Correct |
---|---|---|
What is the value of 2/5 + 2/50 + 2/500 | 0.444 | 70%
|
How many perfect squares have a 7 as their units digit? | 0 | 57%
|
The angles of a quadrilateral are in the ratio 3 : 4 : 5 : 6.
What is the difference between the largest angle and the smallest angle? | 60º | 53%
|
How many weeks are there in 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 minutes? | 4 | 51%
|
A water tank is 5/6 full. When 30 litres of water are removed from the tank, the tank is 4/5 full.
How much water does the tank hold when full? | 900 litres | 41%
|
What is a half of a third, plus a third of a quarter, plus a quarter of a fifth? | 3/10 | 41%
|
How many of the following four equations has a graph that does not pass through the origin?
y = x4 - x y = x4 + 1 y = x4 + x y = x4 + x2 | 1 | 38%
|
On a training ride, Laura averages speeds of 12 km/h for 5 minutes, then 15 km/h for 10 minutes and finally 18 km/h for 15 minutes.
What was her average speed over the whole ride? | 16 km/h | 33%
|
What is the only positive integer that has exactly 8 divisors including 6 and 15? | 30 | 32%
|
The positive integers a, b and c are all different. None of them is a perfect square, but all the products ab, ac and bc are squares. What is the least value that a + b + c can be? | 28 | 30%
|
For what value of x is 64x equal to 5125? | 7.5 | 30%
|
Suppose that 8n = 27. What is the value of 4n? | 9 | 27%
|
What is the remainder when 22 x 33 x 55 x 77 is divided by 8? | 4 | 25%
|
The following eleven integers are written in ascending order:
The mean of these eleven integers is 7. What is the median? | 8 | 19%
|
How many numbers can be written as a sum of two different positive integers, each at most 100? | 197 | 17%
|
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