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CBSE - X - Social Studies

i want hindi questin paper of solacial science

Asked by milanro7123 16th December 2018, 8:12 PM
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CBSE - X - Social Studies

i want hindi question paper of social science.  

Asked by milanro7123 16th December 2018, 8:11 PM
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CBSE - X - Mathematics

A ray of light falls on the surface of a spherical paper weight making an angle A with the normal and is refracted in the medium at an angle B. Find the angle of deviation of the emergent ray from the direction of the incident ray in terms of A and B.

Asked by acv27joy 16th December 2018, 6:13 PM
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CBSE - X - Mathematics

Let a,b,x,y be real numbers such that a^2 + b^2 = 81, x^2 + y^2 = 121 and ax + by = 99. Find the value of ay - bx.

Asked by acv27joy 16th December 2018, 4:39 PM

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CBSE - X - Hindi

Answer this please it's urgent

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Asked by sajal2402 16th December 2018, 10:49 AM
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CBSE - X - Mathematics

Page 255 Question 22 The ratio of the sum of n terms of two AP is (7n+1) : (4n+27). Find the ratio of their nth terms

Asked by miniprasad 15th December 2018, 7:15 PM

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CBSE - X - Mathematics

Page 255 Question 23 The sums of n terms of three arithmetic progressions are S1, S2, and S3.The first term of each is unity and the common differences are 1,2 and 3 respectively. Prove that S1+S3=2S2

Asked by miniprasad 15th December 2018, 7:13 PM
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CBSE - X - Geography

Highlight the location of following  industries: 1) TISCO and 2)  IISCO

Asked by rdas13306 15th December 2018, 6:39 PM
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CBSE - X - Mathematics

Show that the points (-2, 3), (8, 3) and (6, 7) are the vertices of a right triangle.

Asked by maddelavenukumar 15th December 2018, 5:31 PM
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CBSE - X - Mathematics

Evaluate 1-2-3+2-3-4+........+ up to 100 terms.

Asked by acv27joy 15th December 2018, 4:33 PM
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