Welcome to your 06 Math

1. 
The largest 5-digit number having three different digits is
2. 
Number of whole numbers lying between –5 and 5 is
3. 
The product of a non-zero whole number and its successor is always
4. 
Which least number should be added to 356 to make it exactly divisible by 5?
5. 
Find the value of 625 × (–35) + (– 625) × 65
6. 
Which sign will come in the blank space? – 231 + 79 + 51 _________–399 + 159 + 81
7. 
There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is:
8. 
What least value should be given to * so that the number 915*26 is divisible by 9?
9. 
Find the value of 7 × 4 + 64 ÷ 16 – 8
10. 
Find the area enclosed in the figure.
11. 
Following figures are formed by joining six unit squares. Which figure has the smallest perimeter in Figure
12. 
How much distance, in metres, a wheel of 25 cm radius will cover, if it rotates 560 times?
13. 
Arrange in decreasing order: 13, -21, -17, 15, 0, -15,10
14. 
LCM of two numbers is 180. Then which of the following is not the HCF of the numbers?
15. 
Which sign will come in the blank space? (-6) x (-5)-2 _______________ (-6)x (-5-2)
16. 
Find the value of 26 × (– 48) + (– 48) × (–36)
17. 
Which of the following numbers is divisible by 11?
18. 
Natural numbers are closed under subtraction.
19. 
A room is 12m long, 8 m broad and 4m high. What will be the area of four walls?
20. 
If m, n and p are integers, then according to the associative law of multiplication, (m × n) × p must be equal to: