Who coined the term biodiversity? Why India is called mega diversity centre?
220 Ohm resistance is represented by Red, Red, Black code. 1st band= Red= 2(1st digit) 2nd band= Red= 2(2nd digit)... View Article
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Describe any three technological and institutional reforms made in the field of agriculture in India.
In a Pie Chart, sector is used to represent data. Explanation A pie chart is a type of graph that... View Article
Express 5cm in metre and kilomitere
Classmark: Classmark is defined as the mid-value of each class interval is called its class mark. Formula Class mark =... View Article
Factorise: 12x2 – 7x + 1
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
What is estate general?
We have to find cube root of 6859 by prime factorisation. Solution The prime factorisation of 6859 can be written... View Article
Solve the equation. 7x – 9 = 16
(a – b)2 = a2 – 2ab + b2 Solution (a – b)2 let us derive the equation Let us... View Article
How does lotus adapt to live in water?
Given Praddep has 30 machines to complete the order in 60 days. Find out How many machines would be required... View Article
Use Euclid’s division algorithm to find the HCF of 135 and 225
Answer: Euclid’s Division Algorithm is a technique to compute the Highest Common Factor (HCF) of two given positive integers. HCF... View Article
Define class size
The difference between the true upper limit and true lower limit of a class interval is called the class size.... View Article
How can we separate a mixture of two immiscible liquid? Describe the process.
We have to prove secA (1-sinA) (secA + tan A)= 1 Proof Let us start with LHS= (secA-sinA×secA)(secA+tanA)=(secA-tanA) (secA+tanA) {... View Article
Prove 2 + √3 is an irrational number
Answer: Irrational numbers are real numbers that cannot be represented as a simple fraction. It cannot be expressed in the form... View Article
Define granular and block disintegration
1 quintal = 100 kgs 1 ton= 1000 kgs (10 quintal)Thus, 1 ton =10 quintals
Define force and mention its unit
We have to prove cosA-sinA+1 / cos A+sinA-1 = cosecA+cotA Solution Let us start from LHS (cosA-sinA)+1/(cosA+sinA)-1taking conjugate we get... View Article
A woman sold 15 bedsheets for rs.15, 000. Hence gaining 5 bedsheet’s cost prices. The cost per sheet is___________
Given: A woman sold 15 bed sheets for Rs.15000 Profit gained = cost price of 5 bed sheet’s To find:... View Article
What is the national currency of Albania?
Let sinx = u Therefore by applying chain rule, dy/dx = d log u / du * d sin x... View Article
1 HP is equal to ______
Pentagram refers to just the star. Pentagram is a 5 pointed star. The regular 5-cell (4-simplex) has five vertices and... View Article
What do you mean by nutrition?
We need to find the cube root of 12167 by prime factorisation Solution The prime factorisation of 12167 is 12167=... View Article
What is tertiary occupation?
We know that, = 1 meter = 100 cm Then, = 1 cm = (1/100) m = 5 cm =... View Article
Mention the areas that receive rainfall over 400cm and area that receive less than 20 cm.
7x – 9 = 16 7x = 16 + 9 7x = 25 x = 25/7
Evaluate the square root of 1156 by prime factorization
Answer: The square root of a number is the value that returns the original number multiplied by itself. Finding square... View Article
