Welcome to your 07 Math

1. 
A company is producing anti-aging cream and baby wipes. The company makes a profit of ₹ 45 per unit on anti aging cream and a loss of ₹ 10 per unit on Baby wipes. If the company sells 5000 units of anti-aging cream and 4000 units of baby wipes, find the profit or loss of the company due to the sale.
2. 
225% is equal to
3. 
On a number line, –7/5 is to the ______ of zero (0).
4. 
Rohan buys a pen-drive for ₹520 after a discount of 20%. Find the original price of pen-drive?
5. 
Four horses are tethered with equal ropes at 4 corners of a square field of side 84m, so that they just can reach one anther. Find the area left ungrazed by the horses
6. 
In reference to a circle the value of π is equal to :
7. 
The area of four walls of a room is 420 Square meter. If length of the room is double the breadth of the room and wall is 5 m high, Find length and breadth of the room?
8. 
Which of the following is the multiplicative identity for an integer a ?
9. 
Shifting one term from one side of an equation to another side with a change of sign is known as:
10. 
The sum of three consecutive integers is 5 more than the smallest of the integers. Find the smallest integer.
11. 
The equation having 5 as a solution is:
12. 
Circumference of a circle of diameter 5 cm is
13. 
Express 0.45 m as a percentage of 3 m.
14. 
Every natural number is a rational number but every rational number need not be a natural number.
15. 
If m, n and p are integers, then according to the associative law of multiplication, (m × n) × p must be equal to:
16. 
A piece of string is 36 cm long. What will be the length of each side. If the string is used to form a square?
17. 
A table top is semicircular in shape with diameter 2.8 m. Area of this table top is
18. 
Multiplicative inverse of -3/5 is
19. 
The reciprocal of ______ does not exist.
20. 
All decimal numbers are also rational numbers.