The number system
7.477 = 6.34 + ______ + 0.017
1.12
In this sequence, 20, 30, 40, 50, …
21st term = ______________
220
The mean is 14.
9 15 15 18 _____.
(A) 15 (B) 14
(C) 13 (D) 13
D
The distance between the centres of two touching circles that touch inside is ___________ the difference between the radii of those two circles.
(A) less than (B) greater than
(C) the same as (D) double of
(C)
What the simplest form of 36/60 .
3/5
When the number is rounded to the nearest tenth, it is 30.0.
When it is rounded to the nearest whole number, it is 30.
What is the possible minimum number?
29.95
Lily, Sophie and Mei are running around a stadium. Lily needs 7 minutes
for one lop, while Sophie needs 8 minutes and Mie needs 4 minutes for
one lop. They start at the same time.
In how many minutes they will first time meet at the start line?
56 min
The middle number in this sorted data set: 10, 15, 20.
15
A shape with only one pair of parallel sides.
trapezium/trapezoid
31 out of 50 pupils in a school wear watches. What percentages of the pupils do not wear watches?
62%
Use each of the digit 5, 7, 4 and 9 once to make the decimal number closest to 80.
The number is
79.5
A number is squared and then 4 is added.
The number is 125.
What is the number?
11
Which average is represented the number which is repeated frequently?
mode
Which 2D shape has (i) all sides are the same
(ii) two lines of symmetry
(iii) two diagonals that are bisected each other at 90˚
(A) square (B) kite (C) rhombus (D) rectangle
C
456.65 minutes can be expressed as
7 hours 36 minutes & 39 sec
Find the difference between the value of digit 6 in 69.87 and the value of 8 in 48.123.
52
The first two numbers both are square and cube numbers are 1 and 64.
the third number is
(A) 216 (B) 512 (C) 729 (D) 225
729
Here are the masses, in kg, of the rowers in the 2012 Oxford University rowing team.
77.8, 82.4, 91.6, 93.6, 91.2, 94.6, 79.6
What is their median mass?
91.2
The order of rotational symmetry of a hexagon.
6
150% of a number is 900. What is the number?
600
Two numbers each with 1 decimal place round to 204 to the nearest whole number.The sum of the two numbers is 408.
What could the numbers be? Write two possible answers.
204.1 & 203.9 or 204.2 & 203.8 or 204.3 & 203.7 or 204.4 & 203.6
Here is a part of a sequence.
_______, 1.6 , _______ , ________ , _______ , 0.4
The sequence is made by subtracting a constant amount from the previous term. What is the 8th term.
-0.2
Write a set of different numbers so that the median of the four numbers is 9 and the range is 5.
Which quadrilateral has two pairs of parallel sides and diagonals which intersects each other at not 90 degree?
Rectangle
Write these numbers in order of size, starting with the largest.
0.7 4/5 0.82 75% 13/20
13/20 0.82 4/5 75% 0.7