Club 66 Flashcards
Binary coded decimal is to the base of?
2
Someone invested and earned 20% profit. The account is now at £900. What was the initial invested amount?
£750
A sphere has a radius of 5cm, calculate its volume?
4/3xπxr^3 so the answer is 524cm^3
The line. With equation x=3 is parallel to?
Y axis
Logs Commonly use what as its base?
10
What is the weight of four litres of fuel in kg at an SG of 0.9?
3.6kg
What is the binary number 1110 equal to?
14
What is 13 in octal?
15
Make ‘a’ the subject of the equation V=(a+b)r^2
A=(v/r^2)-b
If 16 is more than 4x find 5x-1?
X=3 so the answer is 14
If 16 is more than 4x find 5x-1?
X=3 so the answer is 14
What size angle has the same ratio for both sine and cosine?
45 degrees
Add the 2 following binary number 10010101 + 11101111=?
110000100
What is the square root of 0.01?
0.1
A steel oil drum of diameter 600mm is laying on its side. It is 1/3rd full. Will the depth of oil be the same, less, or greater than 200mm?
Greater than 200mm
What is the area of a right angled Traci angle of sides 16,18,and 24mm respectively?
144mm^2
On a graph the y intercept is -2. What is the equation?
Y+2=-x
Evaluate (3a+2b)(2a-3b)
6a^2 - 5ab - 6b^2
If a=2 and b=3 and c=4, what is (a+b)-(a-c)?
7
Simplify y^3 x y^6 / y^-15
Y^24
What is the tangent of 90°?
Positive infinity
If you wanted to find sineθ, what would you use?
Opposite over hypotenuse
What is the equation of a straight line with gradient m and intercept on the y axis c?
Y=mx+c
What is the value of 10^4 x 10^-6 x 10^4 x 10^-4?
1 over 10^2
A triangle always has two?
Acute angles
An oil drum is laying on its side. It is 500mm in diameter and 1m in length. It is 1/4 full of oil. What is the volume of oil?
50 litres
What is a scalene triangle?
All 3 sides unequal
In a right-angled triangle the other two angles are both 45°. The length of the opposite side can be calculated by?
Sin45° x length of hypotenuse
Two angles of a triangle are 68° and 32°. There’re the third angle must be?
80°
What is denary number 10 expressed in binary form?
1010
Express 45 degrees in mils?
800mils
The plot of the equation y=1/x is a ?
Curve with two turning points
A motorcyclist travels 144km. He is traveling at 20m/s. How long does it take him?
2 hours
Hexadecimal is to the base of?
16
