Welcome to your 07 Math Free

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. 
What should be multiplied with -3/7 to obtain the nearest integer?
3. 
Water and Milk are mixed in the ratio 2:7. Find the quantity of water in 54 liters of mixture.
4. 
What happens, when a term is transposed to other side of equation ?
5. 
A rectangle measures 8 cm on length and its diagonal measures 10 cm. What is the perimeter of the rectangle?
6. 
Every natural number is a rational number but every rational number need not be a natural number.
7. 
The reciprocal of 1/10 is
8. 
A rectangular park of length 70 m and breadth 50 m in a locality. Two crossroads perpendicular to each other of width 6 m needs to be constructed in between the park for walking. Find the area of Crossroads.
9. 
The sum of three consecutive integers is 5 more than the smallest of the integers. Find the smallest integer.
10. 
The sum of any two negative integers will be:
11. 
A carpet of size 5 m x 2 m has 25 cm wide red border. The inner part of the carpet is blue in colour (see the figure). What is the ratio of areas of red portion to blue portion?
12. 
a + b = b + a represents the _______property of addition.
13. 
The base of a parallelogram is thrice its height. If area is 972 sq m , find the base and height of the parallelogram?
14. 
One day the temperature in London is 18ºC and in Athens it is 80% higher. What is the temperature in Athens?
15. 
Find the value of 45% of 280 + 28% of 450
16. 
Every integer to the left of zero on the number line will have a _______value.
17. 
Every whole number is a rational number but every rational number need not be whole number.
18. 
What is the absolute value of | t - 10 |, if t is less than 10
19. 
Seema’s income is ₹1,60,000 per year. She pays 15% of this as house rent and 10% of the remainder on her child’s education. The money left with her is :
20. 
Find the value of the following expression: 15 – ( - 18 ) – 149 – ( - 41 ) + ( - 106 ) – ( - 24 )