Maths 1
Calculate 2 - 6 x 4 + 22
0
Calculate (2/3) x (6/5)
4/5
A right angle triangle has angles of 90 and 36. What is the third angle?
54
HCF of 90 and 120
30
Calculate 6 - 4 + 6 /2 + 3 x 0
5
Round 5.678 to 2 dp
5.68
Solve: 3x + 5 = 20
5
If x = 2 and y = 3 what is 3x + 2y -4
8
LCM of 3, 9 and 12
36
Calculate [ (-2 + 5) x 3 + 3 ] / 4
3
Simplify 900/1056
75/88
A power station emits 5000 tonnes of CO2 per day.
After a carbon capture and storage system is installed there is a 75% reduction in CO2 emissions.
How much CO2 is emitted per day after installation of the system?
1250 tonnes
Find the perimeter of a square of side 7.5 cm
30 cm
Maria bought 96 toys priced equally for $12960. The amount of $1015 is still left with her. Find the cost of each toy and the amount she had.
$135, $13975
Calculate: three fifth of half of 1.20 m [in cm]
36
Calculate (64/12) x (3/25). Express as a fraction in lowest terms.
16/25
Carbon, Capture and Storage (CCS) technology has been installed at a power station, resulting in a 10% overall increase in the cost of electricity.
Prior to installation of the CCS technology the electricity cost was £70 per MWh. How much is the cost of electricity after installation?
£77
Calculate the perimeter of a regular decagon of side 6.3 cm each.
63 cm
1575 students of a school want to go Agra by bus. If one bus can carry 75 students, how many buses are required to carry all the students?
21 buses.
Simplify 20% of 30% of [89 +111]
12
Simplify 36% of 840
302.4
A quantity of concrete has to be mixed using a ratio of 2:3:6 cement:sand:gravel.
What quantity of cement will be needed if the total amount of concrete required is 22 m3
4 m3
There are 145968 bags of sugar, 236487 bags of wheat and some bags of rice in a godown. It the total number of bags in the godown is 450000, find the number of bags of rice.
67545 bags.
Calculate the area of a rectangle if its perimeter is 90 m and one of its side is 18 cm.
486