measures, shape and space

Question 1

13. 1. A store is having a sale where all items are 20% off. If a shirt originally costs $20, how much will it cost during the sale?
       (A) $16
       (B) $18
       (C) $20
       (D) $24

Answer 1

A = 16 dollars

Question 2

13.2. You deposit $100 in a savings account that earns 5% interest compounded annually. After one year, how much money will be in your account?
(A) $105
(B) $110
(C) $115
(D) $120

Answer 2

A = 105 dollars

Question 3

13.3. Your company gives you a 3% raise each year. If you currently make $50,000, how much will you make in 5 years?
(A) $52,500
(B) $55,000
(C) $57,500
(D) $60,000

Answer 3

C= 57,500 dollars
Actually it’s 57.963.70
but the above answer is the closest to the correct answers.

Question 4

13.4 You are buying a car that costs $20,000. You put down a down payment of $5,000 and finance the rest at 6% interest over 5 years. What will your monthly payment be?
(A) $300
(B) $400
(C) $500
(D) $600

Answer 4

A = 300 dollars

Use the formula Monthly payment =

I/12 x ( loan amount/ (1- (1 + i/12)^-total months))

where I = interest rate in decimals

Question 5

14.5. How many inches are in 1 meter?
(A) 39.37
(B) 36
(C) 25.4
(D) 12

Answer 5

A = 39.37 inches

Question 6

14.6 How many pounds are in 1 kilogram?
(A) 2.204
(B) 2.000
(C) 1.800
(D) 1.600

Answer 6

A = 2.204 pounds

Question 7

14.7 How many liters are in 1 gallon?
(A) 3.785
(B) 4.546
(C) 5.378
(D) 6.102

Answer 7

B = 4.5 litres

Question 8

15.8 A car is traveling at a speed of 60 miles per hour. How far will it travel in 2 hours?
(A) 120 miles
(B) 180 miles
(C) 240 miles
(D) 300 miles

Answer 8

A = 120 miles

Question 9

15.9 The density of water is 1 gram per cubic centimeter. What is the mass of 1 liter of water?
(A) 1000 grams
(B) 100 grams
(C) 10 grams
(D) 1 gram

Answer 9

A = 1000 gms = 1Kg

Question 10

16.10 What is the perimeter of a square with a side length of 5 cm?
(A) 10 cm
(B) 20 cm
(C) 25 cm
(D) 30 cm

Answer 10

B = 20cm

Question 11

16.11 What is the area of a circle with a radius of 3 cm?
(A) 9 cm²
(B) 18 cm²
(C) 27 cm²
(D) 36 cm²

Answer 11

C = 27cm2

Question 12

16.12 What is the area of a triangle with a base of 10 cm and a height of 5 cm?
(A) 25 cm²
(B) 50 cm²
(C) 75 cm²
(D) 100 cm²

Answer 12

A = 25cm2

Question 13

16.13 The length of a trapezium is 14cm,
its parallel side is 6cm. The vertical height of
the trapezium is 5cm. Work out its area ?

A) 25 cm²
(B) 50 cm²
(C) 75 cm²
(D) 100 cm²

Answer 13

B = 50cm2

Question 14

16.14 What is the perimeter of a square with a side length of 5 cm?
(A) 10 cm
(B) 20 cm
(C) 25 cm
(D) 30 cm

Answer 14

B = 20cm

Question 15

16.15 What is the area of a triangle with a base of 10 cm and a height of 5 cm?
(A) 25 cm²
(B) 50 cm²
(C) 75 cm²
(D) 100 cm

Answer 15

A = 25cm2

Question 16

17.1 What is the volume of a rectangular prism with a length of 10 cm, a width of 5 cm, and a height of 3 cm?
(A) 150 cm³
(B) 250 cm³
(C) 350 cm³
(D) 500 cm³

Answer 16

A = 150cm3

Question 17

17.2 What is the surface area of a cube with a side length of 5 cm?
(A) 125 cm²
(B) 150 cm²
(C) 200 cm²
(D) 225 cm²

Answer 17

B=150cm2

Question 18

17.3 What is the volume of a cylinder with a radius of 3 cm and a height of 5 cm?
(A) 45 cm³
(B) 90 cm³
(C) 135 cm³
(D) 180 cm

Answer 18

C= 135cm3

Question 19

17.4 What is the surface area of a sphere with a radius of 5 cm?
(A) 100 π cm²
(B) 150 π cm²
(C) 200 π cm²
(D) 225 π cm²

Answer 19

A =100 π cm²