Olympiad Test Level 2: Number Magic- 2 - Class 4 MCQ

Out of the given options option C is correct as
Sum of digits = 2+8+6+4 = 20
Hundred’s digit (8) = 2* one’s digit (4)
Tens’s digit (6) = 3*thousand’s digit (2)

2 apples = 4 blocks
1 apples= 2 blocks
2 oranges + 3 apples = 10 blocks
2 oranges + 3*2 blocks= 10 blocks
2 oranges = 4 blocks
1 orange = 2 blocks
Therefore, 5 oranges weigh 5*2 blocks= 10 blocks

45^o is an acute angle. 90^o is right angle.

2 is a prime number and it is even. 6 is a composite number, as its factors are 1,2,3.

The second multiple of 3 is 6. Product of 6 by 9 is 54.

As the given figure, shaded boxes are = 5/25.
In order to obtain 8/25 boxes as shaded, we need 3 more boxes to be shaded.

Radhe’s birthday is 10th day after Independence Day. Therefore, his birthday is on 25th. And the day is Wednesday.

In the given arrangement, there are 5 rows and 6 columns.
Therefore, best representation to show number of tiles is 5*6= 30

1/8 of a number = 2
Therefore, number = 8*2 = 16.

Number of pages Nikita reads in a day = 343/7 = 4