Math warriors_Final round_Grade 7

Logic and Algebra

100

Find the value of Burger , Ketchup and Fries

Burger + Ketchup + Fries = 58

1 X Burger = Fries

Ketchup X Ketchup = 64

Burger = 25, ketchup = 8, fries = 25

200

Your parents have six sons including you and each son has one sister only. How many people are in the family?

9

300

The sum of a certain number and 3 times the number is 40. What is the number?

10

400

Find 3 consecutive numbers such that 3 times the first is equal to 8 more than the sum of the other two.

11,12,13

Geometry and shapes

100

What is the  geometric name of the 3 D shaped coke bottle?

Cylinder

200

The area of a square is 625 sq.cm. Find the length of the side of the square.

25 cm

300

Find angle c

Image

62^o

400

Find the volume of a box whose length is 12cm, breadth is 3 cm and height is 4 cm in cu cm.

144 cu cm.

Measurements and number

100

8+(8X14-7)=

113

200

Find the perimeter of an equilateral triangle whose side is 7 cm.

21 cm

300

A baseball pitcher won 80% of the games he pitched. If he pitched 35 ballgames, how many games did he win?

28 games

400

Rachel spends 1/4 of her pocket money on chocolates, 1/8 on pizza. At the end she had $ 40 left. How much did she have at the beginning?

24

Problem solving

100

The ratio of the height of two buildings is 7 to 5. The first building is 210 feet tall. How tall is the second building?

150 feet

200

In a school, 25 % of the teachers teach basic math. If there are 50 basic math teachers, how many teachers are there in the school?

200

300

Ron and two of his friends ate one-fourth each of an eight slice pizza. Find the remaining slice of the pizza.

 2 slices of pizza

400

A car is traveling 75 kilometers per hour. How many meters does the car travel in one minute?

1250 meters per minute