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HAPPY BIRTHDAY HOMI JEHANGIR BHABHA  Today we are discussing about the number of Engineer in our country and their employing rate but there was a great Mechanical Engineer of Cambridge Homi Bhabha whose work is too much appreciated till today. He is the father of nuclear energy in India. Yes, I am talking about that nuclear bomb who discuss in India in condition of war situation with Pakistan. He established the  TATA INSTITUTE OF FUNDAMENTAL RESEARCH 1945 and TROMBY ATOMIC ENERGY which is now known as BAHBHA ATOMIC RESEARCH CENTER ( The name was changed by Indara Gandhi in the tribute of Homi Babha on his birth anniversary) He was versatile in nature painter, musician and botanist.  In 1955, he was elected as the president of first international conference on peaceful use of Atomic energy which is organised by United Nation in Geneva. His innovation and work after the Independence of India will never be forget. His life gives us motivation not only for scientific thinking b

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1. The points A ( 1 , -2 ) , B ( 2 , 3 ), C ( k , 2 )and D ( - 4 , - 3 ) are the vertices of a parallelogram. Find the value of k and the altitude of the parallelogram corresponding to the base AB. 2. A manufacturer of TV sets produced 600 units in the 3rd year and 700 units in the 7th year. Assuming that, production increases uniformly by a fixed number of units every year. Find (i) The production in 1 st year. (ii) The production in 10 th year. (iii) The total production in 7 years. 3. The radii of two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has circumference equal to the sum of the circumferences of the two circles. 4. The radii of two circles are 8 cm and 6 cm respectively. Find the radius of the circle having area equal to the sum of the areas of the two circles. 5. The altitude of a right triangle is 7 cm less than its base. If the hypotenuse is 13 cm, find the other two sides.

1. 360 m long train running with uniform speed, and cross the platform in 55 second and cross the man on platform in 24 second find the length of platform (Answer-465m) 2. The ratio of speed of A and B is 3:5 and A Take 24 minutes more than B to cover certain distance. what   time B will get to cover that same distance. (Answer- 36minutes) 3. A certain amount to 29282 in 4 years at 10% per annum when the interest compound annually. What will the interests on same sum same time and same rate but on simple interests. (Answer- 8000) 4. A wire in shape of rectangle whose side is in ratio of 7:4 initially shape in a circle whose radius is 31.5m find the length of smaller side of rectangle. (Answer- 36m) 5. Given four different number, the average of first 3 numbers is four time the fourth number and the average of all four number is 52. Find the average of first three numbers.     (Answer- 64)

Diwali is a festival of light and may god give light in your life and you may achieve all the goal as per as your aim. Read book and try to enhance your knowledge and ability this can enlighten your future that can make your life more brighter and valuable. C elebrate safe Diwali and in any different situation please try to follow the safety measure prescribed by National Disaster Management Authority, Govt of India

1. If the ratio of present age of A and B is 6:5 and 4 year ago the age was in ratio 5:4 find the ratio of age after 12 year. (Answer- 9 : 8) 2. a + b + c = 4 , ab + bc + ca = 1 then find the value of a 3 +b 3 +c 3 (Answer- 52) 3. If Adarsh spend 90% of his income. If its expenditure increase by 25% and saving increase by 30% then how much percent his salary increases.  (25.5%)  4. Abhi sold two articles at 5220rs each. If he get profit of 16% on first article and loss of 10% on other article find total price of profit/loss. (Answer- 140) 5. A and B can work together in 16 day. C and A can complete work 32 day.  B and C complete the work in 24 day. They work together for 12 day. In how many day C complete the rest work alone.

1. Solve the given equation by the method of completing the squares: x 2 + 12x – 45 = 0 2. The sum of first six terms of an A.P. is 42. The ratio of its 10th term to its 30th term is 1:3. Find the first term of the A.P. 3. From the top of a lighthouse 75 m high, the angles of depression of two ships are observed to be  30 o and 45 o respectively. If one ship is directly behind the other on the same side of the lighthouse then find the distance between the two ships. 4. Find the area of the minor segment of a circle of radius 42cm, if the length of the corresponding  arc is 44 cm. 5. A train covers a distance of 90 kms at a uniform speed. It would have taken 30 minutes less if the speed had been 15 km/hr more. Calculate the original duration of the journey

1. 7500 became 8748 after two year on certain rate of compound interest. What will be simple interest on the same money after 23/5 year and rate became double then the rate of compound interest.    (Answer-5520) 2. In a constituently 40% voter are senior citizen and 40% of senior citizen are illiterate and 25% of non senior citizen are literate. By what percent of literate senior citizen less than illiterate non - senior citizen voter. (Answer- 140/3%) 3. In triangle ABC bisector of angle B and C meets at D and form angle 104 0 find the measurement of Angle BAC. (Answer- 28 0 ) 4. If the curved surface area of cylinder 132 m2 and volume is 528m3 find the height of the cylinder. (Answer- 21/8) 5. Amit travel A to B at average speed of 80km per hour. He travel first 75% distance in two-third of total time and next distance travel with speed of x km/h find the value of x (Answer-60km/h)

1 From a point on the ground, the angles of elevation of the bottom and top of a tower fixed at the top of a 20 m high building are 45 o & 60 o respectively. Find the height of the tower. 2 ind the coordinates of the points which divide the line segment joining A(2, -3) and B(-4, -6) into three equal parts. 3 In a AP the 17th term from the end of the AP: 1, 6, 11, 16..... 211, 216 4  pole 6 m high casts a shadow 2√3 m long on the ground, then find the angle of elevation of the sun. 5 Find the sum of all natural numbers that are less than 100 and divisible by 4. 

1. After allowing the discount of 10% an article is sold on rupees 360. If discount is not given then     find he make profit of 25% find the cost price of an article. (Answer 320) 2. If the ratio of income of A and B is 2:3 and their expenditure is 1:2. If the 90% B expenditure is  equal to Income of A Find the ratio of saving of A and B. (Answer 8:7) 3. A person sold an article at loss of 8%. If is sold the article at gain of 10.5% he receive 37 rupees   more find the cost price of the article. (Answer 200) 4. There are 90 student in a class in which 70% from village A and rest form Village B. If the     average  score of student of village B 20% more than village A. If the average score of all student of school is 53.   Find the average score of village B.   (Answer 60) 5. If 30 people take 10 day and work 8 hour daily and complete the work. In how many days 40 people complete the work if he works 6 hour daily. (10 days) 6.  If eight digit number 342x1

1. If first term of AP is 5 and common difference is 7 find its 100 th term. 2. Find the area of sector of circle whose radius is 7 cm and angle of sector is 60 degree. 3. Find the length of line whose coordinates are (1,2) and (4,5). 4. How many two digit numbers are divisible by 7? 5. The ninth term of an AP is equal to seven times the second term and twelfth term exceeds five times the third term by 2. Find the first term and the common difference.

1. The area of rectangle is 252 cm 2 and ratio of side of rectangle is 9:7. Find its perimeter. 2. Find the perimeter of rectangle whose side one side is 10 cm and diagonal is 26 cm. 3. If the ratio of length and breadth of rectangle is 8:5. If breadth is 60 m less than length finds its       perimeter and area. 4. If the length is 48 m more than its breadth and its perimeter is 800 m find the area of the field. ‘ 5. If the perimeter of the field is 6 km and area is 2 km 2 find the difference between length and breadth. 6. If the ratio of length and perimeter of rectangle are in ratio of 5:16.   find the ratio of length and breadth of rectangle.

HAPPY BIRTH DAY KALAM  Kalam was the personality of great excellence and wisdom. He change the thought of India as far as student society of the world. He want to change the education system in which the thought of children is the primary source of education. A student asked to A.P.J Abdul kalam that "who the was first scientist of the world?" Kalam answered that   "child was the first scientist of the world"  Because question began from the brain of child and question is the base of mankind. So, lets starts think over the thought of Kalam and ask question to yourself, to your classmate, as well as your teacher not only for your better future but the better future of India. And must read the book of kalam- "wings of fire" 

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         In how many years the amount became double of itself at the rate of 10% per annum in simple interests. 2.      If an article is bought in 400 and sell at 10% profit. What percentage of profit must be increase to sell the object at 460. 3.      If a person deposit 5400 in a bank at the rate of 15/2% per annum. If withdraw 3200 after 6 month and withdraw rest money next 6 month. Find the total interest taken by the person. 4.      If a person bought 240 rose at the rate of 9 rupees per dozen and sell 1 rupees per rose find the profit/loss percent. 5.      If a person deposit some money on simple interest for 10% per annum for 2 year and interest will 100 rupees. If the same money deposit on compound interest find the interest. 6.      If we add 75 in a 75% of a number it will equal to itself. Find the number. 7.      5a+3b : 4a+7b = 3:4 then find a:b 8.    If we make two equilateral triangles first on the base of side of square and second on the base of dia

HAPPY BIRTHDAY GANDHI  Mahatma Gandhi was one the great leader, advocate, environmentalist  social activist, writer, political thinker as well as spiritual leader not only of India but all over the world. Gandhi is the symbol of non-violence as well as social revolution till today. There are many leader in the world who are fully affected by the thought of Gandhi , leader like Martin luther king (An American activist) , Nelsion Mandela (president of south Africa)   Aan shan shuki (activist , political leader of Myanmar) etc. Gandhi matters today not only because he is the father of the nation but his thought and view on political temperament matters today. The Anna andolan (revolution)   of 2011 , Nirbhaya march of 2012 etc, which had fully Gandhian principle movement. when any person fill discriminated he/she start hunger strike and many hunger strike change the world. Hunger strike, non-cooperation, writing articles all the weapon of Mahatma Gandhi. So , Gandhi Matte