UNIT TEST (190502)

CLASS 10

Find sinθ=4/5 find the value of tanθ+cotθ+secθ+cosθ

If sinθ=8/10 find tan²θ - cot²θ

Sin²45⁰+cos²45^o=?

If sin A = 1/2 , then the value of cot A is

If 4 tanθ = 3,then 4sinθ - cosθ / 4sinθ+ cosθ

Find the value of tan43/cot47

Find the value of sin45⁰ / cos 45^o

If sec4A=cosec(A -20°), where 4A is a acute angle, find the value of A. 

If tan A=b/a, where a and b are real numbers, find value of sin2A

Given that sinθ = a/ b , then cosθ is equal to

if sinA + sin² A = 1, then prove that (cos² A + cos⁴ A) = 1

CLASS 9 

If the mass of body of body is 10 kg find weight on moon (take g on moon is 10/6)

Why player run before jump?

What is difference between balance and unbalanced force?

Draw the graph of uniform motion, rest, nonuniform motion and retardation

What is the principal of conservation of mass?

If x51 + 51 is divided by x + 1, the remainder is 

If x + 1 is a factor of the polynomial 2x² + kx, then the value of k is

The factorisation of 4x² + 8x + 3 is

Convert 162km/h , 180km/h, 198km/h into m/s

CLASS 8 

What is force?

What is the effect of force?

If the force is 5N and area of contact is 5m² find pressure on given area?

By which number we must divide the 3125, 216, 343,1000 to become a perfect square?

If the length of diagonal of square 15 find the side of square.

Why the strip of bag is broader?

What is difference between contact and non contact force. Name them.

What is difference between balance and unbalance force?

CLASS 7 

The next number in the pattern – 62, – 37, – 12 _________ is

Write a positive integer and a negative integer whose sum is a negative integer

Write two integers which are smaller than – 5 but their difference is – 5.

If * is an operation such that for integers a and b we have  a * b = a × b + (a × a + b × b) then find (i) ( – 3) * (– 5) (ii) ( – 6) * 2

Write two integers whose product is smaller than both the integers.

What is conduction, convection and radiation?  

                                                

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