Finals_Math Warriors_ Grade 8

Logic

100

Rohit is 40 m South-West of Aarav. Ansh is 40 m South-East of Aarav. Then Ansh is in which direction of Rohit?

East

200

Vijay ranks thirteenth from the top and forty-eighth from the bottom in a class. Then the number of students in the class is _____.

60

300

A boy rode his bicycle northward, then turned left and rode 1 km and again turned left and rode 2 km. He found himself one km west of his starting point. How far did he ride northward initially?

2 km

400

Nancy is shorter than William. 

William is taller than Anthony. 

William is taller than Joseph. 

Anthony is taller than Nancy. 

Joseph is as tall as Anthony. 

Who is the tallest ?

William

Mathematical reasoning

100

Mohit is thinking of two numbers. Their greatest common factor is 6. Their least common multiple is 36. One of the numbers is 12. What is the other number?

18

200

Six students are sitting in a row for photo session. K is sitting between V and R, V is sitting next to M, M is sitting next to B, who is at the extreme left side. Q is sitting next to R. V is sitting between which two students?

M and K

300

A plush toy is a scale model of a horse in which 1cm represents 30 mm. 

The head-on the model is 16 cm long

How long is the head of the real horse in cm?

48 cm

400

2²  + 3²+ 6² = ( 2 + 3 + x )² , Find the value of  x

x=2

Solving equations

100

Kath and Kim bought a $15 lotto ticket together. Kath contributed $8 and Kim contributed $7.Their ticket won the jackpot of $750,000.What proportion of the money should Kim receive if the jackpot is shared in the same ratio as their contributions?

$350,000

200

Twenty-four has divided into two parts such that 7 times the first part added to 5 times the second part makes 146. Find each part.

13,11

300

Ramu put a square fence around his vegetable garden to keep the deer away from eating his corn. One side was 10 m in length. If the posts were placed 2 m apart, then how many posts did he use?

20

400

The average age of 12 children is 20 years. If the age of one more child is added, the average is decreased by 1. What is the age of the child added later?

7 years

Problem solving

100

Find out the wrong term in the given series. 24, 27, 31, 33, 36

31

200

Meena purchases 1500 ml of milk every day. If cost of one litre of milk is `Rs. 44, how much amount will she pay in 20 days ?

 Rs.1,320

300

• What is the best bargain:
  • 1 lb of flour at 70c, or
  • 2 lb of flour at $1.50, or
  • 5 lb of flour at $3.10, or
  • 10 lb of flour at $6.50?

5 lb of flour at $3.10

400

What is the smallest positive integer that has 12 factors ?

60