Welcome to your 07 Math Free

1. 
Find the area enclosed in the figure.
2. 
Which of the following statements is not true?        

(a) When two positive integers are added, we always get a positive integer.
(b) When two negative integers are added, we always get a negative integer.
(c) When a positive integer and a negative integer are added, we always get a negative integer.
(d) Additive inverse of an integer 2 is (-2) and additive inverse of (-2) is 2.

Deselect Answer

3. 
The literal number involved in each equation is called ____________
4. 
Which sign will come in the blank space? 6+3 x 11 ____________ (6+3) x 11
5. 
After increasing the rate of book by 20% , It becomes ₹120. What is the original price of the book?
6. 
In reference to a circle the value of π is equal to :
7. 
Circumference of a circle is always :
8. 
Which of the following is the multiplicative identity for an integer “a” ?
9. 
a + b = b + a represents the _______property of addition.
10. 
In any rational number p/q, denominator is always a non-zero integer.
11. 
If one side of a square is represented by 18x – 20 and the adjacent side is represented by 42 – 13x, find the length of the side of the square.
12. 
The height of an equilateral triangle is √6cm, Its area is :
13. 
If "t" is a common divisor of p and q, then p/q = (p/t)/? in place of ?=
14. 
If the sides of a rectangle are increased to twice its original lengths, how much will the perimeter of the new rectangle increase?
15. 
Which of the following is not the additive inverse of 10?
16. 
When a number is multiplied by 5 is increased by 80, what is the number?
17. 
Which sign will come in the blank space? – 231 + 79 + 51 _________–399 + 159 + 81
18. 
After 12 years Rohit will be 3 times as old as he was 4 years ago. Find his present age.
19. 
A wire is bent to form a square of side 44 cm. If the wire is rebent to form a circle, its radius is:
20. 
Rishi sold his television set for Rs. 2560, thereby losing 20% on what he paid for it. What did he pay for it?