Club 66

Question 1

Binary coded decimal is to the base of?

Answer 1

2

Question 2

Someone invested and earned 20% profit. The account is now at £900. What was the initial invested amount?

Answer 2

£750

Question 3

A sphere has a radius of 5cm, calculate its volume?

Answer 3

4/3xπxr^3 so the answer is 524cm^3

Question 4

The line. With equation x=3 is parallel to?

Answer 4

Y axis

Question 5

Logs Commonly use what as its base?

Answer 5

10

Question 6

What is the weight of four litres of fuel in kg at an SG of 0.9?

Answer 6

3.6kg

Question 7

What is the binary number 1110 equal to?

Answer 7

14

Question 8

What is 13 in octal?

Answer 8

15

Question 9

Make ‘a’ the subject of the equation V=(a+b)r^2

Answer 9

A=(v/r^2)-b

Question 10

If 16 is more than 4x find 5x-1?

Answer 10

X=3 so the answer is 14

Question 11

If 16 is more than 4x find 5x-1?

Answer 11

X=3 so the answer is 14

Question 12

What size angle has the same ratio for both sine and cosine?

Answer 12

45 degrees

Question 13

Add the 2 following binary number 10010101 + 11101111=?

Answer 13

110000100

Question 14

What is the square root of 0.01?

Answer 14

0.1

Question 15

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?

Answer 15

Greater than 200mm

Question 16

What is the area of a right angled Traci angle of sides 16,18,and 24mm respectively?

Answer 16

144mm^2

Question 17

On a graph the y intercept is -2. What is the equation?

Answer 17

Y+2=-x

Question 18

Evaluate (3a+2b)(2a-3b)

Answer 18

6a^2 - 5ab - 6b^2

Question 19

If a=2 and b=3 and c=4, what is (a+b)-(a-c)?

Answer 19

7

Question 20

Simplify y^3 x y^6 / y^-15

Answer 20

Y^24

Question 21

What is the tangent of 90°?

Answer 21

Positive infinity

Question 22

If you wanted to find sineθ, what would you use?

Answer 22

Opposite over hypotenuse

Question 23

What is the equation of a straight line with gradient m and intercept on the y axis c?

Answer 23

Y=mx+c

Question 24

What is the value of 10^4 x 10^-6 x 10^4 x 10^-4?

Answer 24

1 over 10^2

Question 25

A triangle always has two?

Answer 25

Acute angles

Question 26

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?

Answer 26

50 litres

Question 27

What is a scalene triangle?

Answer 27

All 3 sides unequal

Question 28

In a right-angled triangle the other two angles are both 45°. The length of the opposite side can be calculated by?

Answer 28

Sin45° x length of hypotenuse

Question 29

Two angles of a triangle are 68° and 32°. There’re the third angle must be?

Answer 29

80°

Question 30

What is denary number 10 expressed in binary form?

Answer 30

1010

Question 31

Express 45 degrees in mils?

Answer 31

800mils

Question 32

The plot of the equation y=1/x is a ?

Answer 32

Curve with two turning points

Question 33

A motorcyclist travels 144km. He is traveling at 20m/s. How long does it take him?

Answer 33

2 hours

Question 34

Hexadecimal is to the base of?

Answer 34

16