1.
Name a triangle whose two angles are equal.
Correct Answer
B. Isosceles triangle.
.
Explanation
An isosceles triangle is a triangle that has two sides of equal length and two angles of equal measure. In this case, the question asks for a triangle whose two angles are equal. Since an isosceles triangle has two equal angles, it fits the given criteria and is the correct answer.
2.
- How many lines can be drawn through two points?
Correct Answer
A. 1
Explanation
Only one line can be drawn through two points. Two points uniquely determine a line.
3.
Factors of 9 are…..
Correct Answer
D. None above
Explanation
The factors of a number are the numbers that divide evenly into that number. In this case, the factors of 9 are 1 and 9 because these are the only numbers that divide evenly into 9 without leaving a remainder. The other options listed do not include the correct factors of 9, so the answer is "None above".
4.
What is 999 times 100.0?
Correct Answer
D. 99900
Explanation
When we multiply 999 by 100.0, we move the decimal point two places to the right. This gives us a product of 99,900. Therefore, the correct answer is 99900.
5.
- An acute angle is …….
Correct Answer
B. Less than 90 degree.
Explanation
An acute angle is an angle that measures less than 90 degrees. It is smaller than a right angle, which measures exactly 90 degrees, and any angle larger than 90 degrees would be considered an obtuse angle or a reflex angle. Therefore, the correct answer is "less than 90 degrees."
6.
It takes Julia 1/2 hour to wash, comb her hair and put on her clothes, and 1/4 hour to have her breakfast. How much time does it take Julia to be ready for school?
Correct Answer
A. 3/4 hour
Explanation
Julia takes 1/2 hour to wash, comb her hair, and put on her clothes, and an additional 1/4 hour to have her breakfast. Therefore, the total time it takes Julia to be ready for school is 1/2 hour + 1/4 hour = 3/4 hour.
7.
How many thirds are there in 9
Correct Answer
C. 27
Explanation
There are 27 thirds in 9 because when you divide 9 by 3, you get the quotient of 3. This means that 3 can be divided into 9 three times, and each of those divisions represents one third. Therefore, there are 27 thirds in 9.
8.
What needs to be subtracted from 19,723 to make 12,723?
Correct Answer
C. 7,000
Explanation
To find the number that needs to be subtracted from 19,723 to make 12,723, we subtract 12,723 from 19,723. The difference between these two numbers is 7,000. Therefore, 7,000 needs to be subtracted from 19,723 to make 12,723.
9.
Which number has the factors of 1, 2, 4, 8 and 16?
Correct Answer
B. 16
Explanation
The number 16 has the factors of 1, 2, 4, 8, and 16. This means that when 16 is divided by these numbers, the result is a whole number without any remainder. Therefore, 16 is the correct answer as it satisfies the given conditions.
10.
If a clock hand moves from 6 to 12 how many degrees has it turned?
Correct Answer
A. 180o
Explanation
When a clock hand moves from 6 to 12, it covers half of the clock face. Since a complete circle is 360 degrees, half of it would be 180 degrees. Therefore, the clock hand has turned 180 degrees.
11.
- What is an octahedron?
Correct Answer
A. 3D shape with octagon faces
Explanation
An octahedron is a three-dimensional shape that has eight faces.
12.
Claire is saving up for a CD which costs £5.50. If she saves £1 per week how many weeks does she need to save?
Correct Answer
B. 6 weeks
Explanation
To find out how many weeks Claire needs to save, we can divide the cost of the CD (£5.50) by the amount she saves per week (£1). This gives us 5.50 ÷ 1 = 5.5. Since we cannot have a fraction of a week, we round up to the nearest whole number, which is 6. Therefore, Claire needs to save for 6 weeks to afford the CD.
13.
Adam spent one quarter of his savings on a game. How much was the game if his savings were £16?
Correct Answer
B. £4
Explanation
Adam spent one quarter of his savings on a game. Since his savings were £16, one quarter of that would be £16/4 = £4. Therefore, the game cost £4.
14.
Mum weighed 55kg. She lost 500g when she was ill. What does she weigh now?
Correct Answer
D. 54.5kg
Explanation
After losing 500g, Mum's weight decreased from 55kg to 54.5kg.
15.
A baby needs to take 5ml of medicine 3 times a day. How much medicine does the baby need each day?
Correct Answer
B. 15ml
Explanation
The baby needs to take 5ml of medicine 3 times a day, so the total amount of medicine needed each day is 5ml x 3 = 15ml.
16.
David buys 3 footballs for £1.50 each. How much change would he have from a £20 note?
Correct Answer
C. £15.50
Explanation
David buys 3 footballs for £1.50 each, so the total cost of the footballs is 3 x £1.50 = £4.50. If he pays with a £20 note, he would receive £20 - £4.50 = £15.50 in change.
17.
In which of these questions would you need to round the answer down?
Correct Answer
B. Stickers are £3.75 each. I have £12. How many stickers can I buy?
Explanation
In this question, the answer needs to be rounded down because the number of stickers that can be bought should be a whole number. Since you cannot buy a fraction of a sticker, any remainder from the division should be discarded.
18.
10 millimetres is equal to?
Correct Answer
A. 1cm
Explanation
The metric system is based on powers of 10, so there are 10 millimeters in 1 centimeter. Therefore, 10 millimeters is equal to 1 centimeter.
19.
Which is the number that is equivalent to three hundred and seventy-four thousand and fifty-two?
Correct Answer
D. 374,052
Explanation
The number that is equivalent to three hundred and seventy-four thousand and fifty-two is 374,052.
20.
1010 gram = ……… kg.
Correct Answer
D. 1.01 kg.
Explanation
To convert grams to kilograms, we divide the number of grams by 1000. In this case, 1010 grams divided by 1000 equals 1.01 kilograms. Therefore, the correct answer is 1.01 kg.