Logical Reasoning Math Videos for Grade 8

Logical Reasoning - Grade 8 (Question: 1612350172)

The average of 9 numbers is 25. If the average of first 4 numbers is 22 and that of last 4 is 18, then the 5th number is ____.

Logical Reasoning - Grade 8 (Question: 1612351419)

Ruth likes 144 but not 134, 1600 but not 1700, and 3025 but not 3010. Which of the following four numbers would she like?

A. 295
B. 245
C. 289
D. 270

Logical Reasoning - Grade 8 (Question: 1612355696)

____ squares need to be un-shaded to cover 50% of the total area.

Logical Reasoning - Grade 8 (Question: 1612351744)

A survey was done at DPS School to find the modes of transport used by the students to reach the school. The result of the survey ois shown through the circle chart shown below :

Which is the least preferred means of transport for coming to school?

Logical Reasoning - Grade 8 (Question: 1612350932) Locked

In a basketball game, Elizabeth made 12 baskets. Each basket was worth either 2 or 3 points. How many diffrent numbers could represent the total points that Elizabeth could have made?

Logical Reasoning - Grade 8 (Question: 1612350255) Locked

If A * B means \({A + B \over 2}\),
6 * (4 * 4) = ______.

Logical Reasoning - Grade 8 (Question: 1612350342) Locked

Clock's hour, minute and second hands overlap ____ times in a day.

Logical Reasoning - Grade 8 (Question: 1612349941) Locked

An express train from Toronto to Montreal runs every 5th day. If the train went on Friday, after how many days will the train run on a Sunday?

A. 26 days
B. 32 days
C. 22 days
D. 30 days

Logical Reasoning - Grade 8 (Question: 1612349503) Locked

In a kids- party, the different types of foods available are shown in the table below. How many meal combinations are possible, if one item is taken from each type (For example, "Hot and sour soup, Pizza, Juice" is one combination.)?

A. 10
B. 16
C. 12
D. 18

Logical Reasoning - Grade 8 (Question: 1612348883) Locked

The price of diamond varies directly as square of its wiight. The price of a 9 decigrams diamond is $12150. If diamond breaks into two pieces whose weights are in the ratio 1 : 2, find the loss incurred.

A. $ 5100
B. $ 5350
C. $ 5950
D. $ 5400

Logical Reasoning - Grade 8 (Question: 1612355860) Locked

If 1.111.... is written as \({p \over q}\), such that p and q are positive integers without any common factor, the value of
p + q is __________.

Logical Reasoning - Grade 8 (Question: 1612351064) Locked

Edward says, "Laura is the wife of the grandson of my mother". Who is Laura to Edward?

A. Wife
B. Daughter-in-law
C. Grand-daughter
D. Sister in Law

Logical Reasoning - Grade 8 (Question: 1612351205) Locked

There are three small squares in a big square and there are three smaller squares in every small square. How many squares are there in all?

A. 15
B. 10
C. 8
D. 13

Logical Reasoning - Grade 8 (Question: 1612351298) Locked

If Donald drives at three fourth of his usual speed, he covers a certain distance in 3 hours more than the time he takes while driving at his usual speed. Find the time taken by him to cover this distance with his usual speed.

A. 9 hours
B. 8 hours
C. 12 hours
D. 14 hours

Logical Reasoning - Grade 8 (Question: 1612351507) Locked

There are 160 boys and 140 girls students in a school. Principal wants to divide them in section such that a section can have only boys or only girls. If all sections should have same number of students, and principal wants to have as fewer section as possible. there would be _____ sections in the school.

Logical Reasoning - Grade 8 (Question: 1612351619) Locked

Michael and Laura start from the same point. Michael walks 5 km in South direction, then turn left and walks for 3 km. Laura walks 3 km in East direction, and turn left and walks for 8 km. Now the distance between Michael and Laura is _______ km.

Logical Reasoning - Grade 8 (Question: 1612352068) Locked

Kevin plays cricket every 4th day. If he played cricket on Thursday, afetr how many days will he play cricket again on a Saturday?

Logical Reasoning - Grade 8 (Question: 1612356130) Locked

If 1.222.... is written as \({p \over q}\), such that p and q are positive integers without any common factor, find the value of p + q.

Logical Reasoning - Grade 8 (Question: 1612356278) Locked

One morning after sumrise. Harry was standing facing a pole. The shadow of the pole fell exactly to his left. Which direction was he facing?

Logical Reasoning - Grade 8 (Question: 1612356369) Locked

Jack likes 256 but not 246, 2500 but not 2600, and 4900 but not 4895. Which of the following four numbers would he like : 433, 440, 441 or 444?