Maths Made Interesting 2
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MATHS Dr. T.K. Jain. AFTERSCHOOOL www.afterschool.tk www.afterschoool.tk www.afterschoool.tk
www.afterschoool.tk social entrepreneurship for better society
www.afterschoool.tk
What is the volume of cone height 23, radius =12 • 3468.3
www.afterschoool.tk
What is the surface area of cone height 21, radius =3 • 228.2
www.afterschoool.tk
What is the area of right angle triangle base 60, height =34what is the area? • 1020
www.afterschoool.tk
What is the area of circle, radius = 49, • 7542
www.afterschoool.tk
What is the surface area of circle, radius = 49, • 307.8
www.afterschoool.tk
Perimeter of a rectactungular field is 200 sqm. , length is 55, what is width? • 45
www.afterschoool.tk
Area of a rectungular field is 9375 sq. m., one of the side is 75, what is the other side?
• 125
www.afterschoool.tk
What is the distance between the two points (2,3) and (5,7), what is distance between these points? • 5 www.afterschoool.tk
What is the slope between the two points (2,3) and (5,7), what is distance between these points?
• 4/3 www.afterschoool.tk
What is the suface area of a boll, whose radius, 14? • 2464
www.afterschoool.tk
What is the volume of a boll, whose radius, 14 meters? • 11494 cubic meters.
www.afterschoool.tk
Rs 3075 were spent in painting a boll, the rate was 5 per sq meter. What is the volume of this boll?
• 1436.7 cubic meters approx. www.afterschoool.tk
One person takes a journey through his rectangular field through its diagonal road. The road is 15 meters long. Length of the field is 12 m. What is the perimeter of this field?
• =24 +18 = 42 approx.
www.afterschoool.tk
What is the ratio of area between a square and an equilateral triangle – whose sides are equal? • 4:3^1/2
www.afterschoool.tk
What is the ratio of area of incircle and circumcircle of an equilateral triangle? • 1:4
www.afterschoool.tk
What is the ratio of area of incircle and circumcircle of a square? • 1:2
www.afterschoool.tk
Log
10
= 1, what is the value of X?
2X
• 5
www.afterschoool.tk
Two A&B pipes can fill a cistern in 24 and 32 minutes respectively. Both are turned on. When should B be closed, if we want cistern to be filled up in exact 18 minutes?
• 8 minutes. Ans.
www.afterschoool.tk
A tank can be filled up by one tap in 20 minutes, and by second by 25 minutes. Both the pipes are on for 5 mintues. Now second pipe is turned off. When will the tank be filled up?
www.afterschoool.tk
Thanks • Afterschoool conducts three year integrated PGPSE (after class 12 along with CA & CS) and 18 month PGPSE (Post Graduate Programme in Social Entrepreneurship) along with preparation for CFP / CFA /CMA / FRM. It also conducts workshops on social entrepreneurship in schools and colleges all over India – start social entrepreneurship club in your institution today with the help from afterschoool and help us in developing www.afterschoool.tk society.
www.afterschoool.tk social entrepreneurship for better society
www.afterschoool.tk
www.afterschoool.tk social entrepreneurship for better society
www.afterschoool.tk
What is the volume of cone height 23, radius =12 • 3468.3
www.afterschoool.tk
What is the surface area of cone height 21, radius =3 • 228.2
www.afterschoool.tk
What is the area of right angle triangle base 60, height =34what is the area? • 1020
www.afterschoool.tk
What is the area of circle, radius = 49, • 7542
www.afterschoool.tk
What is the surface area of circle, radius = 49, • 307.8
www.afterschoool.tk
Perimeter of a rectactungular field is 200 sqm. , length is 55, what is width? • 45
www.afterschoool.tk
Area of a rectungular field is 9375 sq. m., one of the side is 75, what is the other side?
• 125
www.afterschoool.tk
What is the distance between the two points (2,3) and (5,7), what is distance between these points? • 5 www.afterschoool.tk
What is the slope between the two points (2,3) and (5,7), what is distance between these points?
• 4/3 www.afterschoool.tk
What is the suface area of a boll, whose radius, 14? • 2464
www.afterschoool.tk
What is the volume of a boll, whose radius, 14 meters? • 11494 cubic meters.
www.afterschoool.tk
Rs 3075 were spent in painting a boll, the rate was 5 per sq meter. What is the volume of this boll?
• 1436.7 cubic meters approx. www.afterschoool.tk
One person takes a journey through his rectangular field through its diagonal road. The road is 15 meters long. Length of the field is 12 m. What is the perimeter of this field?
• =24 +18 = 42 approx.
www.afterschoool.tk
What is the ratio of area between a square and an equilateral triangle – whose sides are equal? • 4:3^1/2
www.afterschoool.tk
What is the ratio of area of incircle and circumcircle of an equilateral triangle? • 1:4
www.afterschoool.tk
What is the ratio of area of incircle and circumcircle of a square? • 1:2
www.afterschoool.tk
Log
10
= 1, what is the value of X?
2X
• 5
www.afterschoool.tk
Two A&B pipes can fill a cistern in 24 and 32 minutes respectively. Both are turned on. When should B be closed, if we want cistern to be filled up in exact 18 minutes?
• 8 minutes. Ans.
www.afterschoool.tk
A tank can be filled up by one tap in 20 minutes, and by second by 25 minutes. Both the pipes are on for 5 mintues. Now second pipe is turned off. When will the tank be filled up?
www.afterschoool.tk
Thanks • Afterschoool conducts three year integrated PGPSE (after class 12 along with CA & CS) and 18 month PGPSE (Post Graduate Programme in Social Entrepreneurship) along with preparation for CFP / CFA /CMA / FRM. It also conducts workshops on social entrepreneurship in schools and colleges all over India – start social entrepreneurship club in your institution today with the help from afterschoool and help us in developing www.afterschoool.tk society.
www.afterschoool.tk social entrepreneurship for better society
www.afterschoool.tk
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