Welcome to your 07 Math

1. 
36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is :
2. 
The dimensions of a plot are 300 m x 250 m. A builder builds 3 roads which are 3 m wide along the length on either side and one in the middle. On either side of the middle road he builds houses to sell. How much area did he get for building the houses?
3. 
The ratio 3 : 8 is equal to
4. 
(- 59) × (- 99) + 59 is equal to:
5. 
If 1m² = x mm² , then the value of x is
6. 
Which of the following rational numbers is negative?
7. 
A table top is semicircular in shape with diameter 2.8 m. Area of this table top is
8. 
Interest on ₹12000 for 1 month at the rate of 10 % per annum is
9. 
By observing the number line state which of the following statements is not true.
10. 
Which of the following is the multiplicative identity for an integer “a” ?
11. 
On selling an article for ₹329, a dealer lost 6%. The cost price of the article is
12. 
Find the value of (–57) × (–19) + 57
13. 
What is 60 cm as a percentage of 4 m?
14. 
If p squares of each side 1mm makes a square of side 1cm, then p is equal to
15. 
If 2/5 of a number is 16, then the number is _____________
16. 
Every natural number is a rational number but every rational number need not be a natural number.
17. 
Rohan buys a pen-drive for ₹520 after a discount of 20%. Find the original price of pen-drive?
18. 
Circumference of a circle of diameter 5 cm is
19. 
The reciprocal of ______ does not exist.
20. 
If the sum of two consecutive numbers is -27, find the numbers?