Welcome to your 07 Math Free

1. 
Find the area of a right angled triangular Garden whose base is 12 cm and hypotenuse 13 cm?
2. 
A room is 12m long, 8 m broad and 4m high. What will be the area of four walls?
3. 
A rational number is defined as a number that can be expressed in the form p/q , where p and q are integers and
4. 
A certain freezing process requires the room temperature to be lowered from 50ºC at the rate of 8ºC every hour. What will be the room temperature 7 hours after the process begins?
5. 
Price of a Scooty depreciates by ₹ 4300 for the first year and thereafter at rate of ₹ 1200 per year. If the original price of the scooty is ₹ 48000. Find the price of the Scooty after 7 years?
6. 
A rectangular park of length 70 m and breadth 50 m is there 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 cost of leveling the Crossroads at the rate of Rs.120 per square m .
7. 
The following figure is the figure of a rectangular roof tent and its both triangular parts are open. Find the area of both triangular parts of the figure if base of the each triangular part is 5 cm long.
8. 
If "t" is a common divisor of p and q, then p/q = (p/t)/? in place of ?=
9. 
An English jeweler sold Rs. 35000 worth of jewels in one month (his ‘turnover’) and made a profit of Rs. 14000. What is his profit as a percentage of his turnover?
10. 
Find the value of the following expression: 33 – ( - 27 ) + ( 131 ) – ( 25 ) + ( - 46 ) + 2
11. 
(- 59) × (- 99) + 59 is equal to:
12. 
The reciprocal of 1/10 is
13. 
Dimensions of a painting are 100 cm x 50 cm. Find the area of the wooden frame of width 5 cm around painting .
14. 
A room is 4.5 m long and 4 m wide. The floor of the room is to be covered with tiles of size 18 cm by 10 cm. Find the cost of covering the floor with tiles at the rate of ₹ 4.50 per tile.
15. 
How much distance, in metres, a wheel of 25 cm radius will cover, if it rotates 560 times?
16. 
A shirt priced at Rs. 535 is reduced by 30% in a sale. Find the sale price.
17. 
Which sign will come in the blank space? 6+3 x 11 ____________ (6+3) x 11
18. 
A car manufacturer claimed that COâ‚‚ emissions from a car were 160g/km. Their latest model has emissions at 15% less. What are the COâ‚‚ emissions on the new car?
19. 
If r and t are two integers such that r is the successor of t, then what is the value of r - t - 1?
20. 
A girl is 26 years younger than her father. The sum of their ages is 50 years. Find the ages of the girl and her father: