Q3. Answer the following questions. 1. Prove that \( \triangle A D B \cong \triangle C B B \) if \( \operatorname{seg} A D \cong \operatorname{seg} C E \) and \( \angle A D B \cong \angle C E B \) (6)
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Match the following. 1. Morarji Desai — a) Telecom revolution 2. V.P. Singh — b) First non-cong ress Prime Minister
A) 1-b, 2-c, 3-a
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Observe the table and answer the questions : Function 1. Absorption of water from soil
D) Preparation of food through photosynthesis
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The relation among angle of incidence (i1) angle of emergence (i1) angle of deviation (d) and angle of prism (A)
C) A + d = i1 + i2
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The complementary angle of an angle is twice the angle, then the angle is
Correct option is (B) 30° Let the angle be x. Then its complementary angle is 2x. \(\therefore\) x+2x = \(90^\circ\) \(\Rightarrow\) 3x = \(90^\circ\) \(\Rightarrow\) x = \(\frac{90^\circ}3=30^\circ\) Hence, the required angle is \(30^\circ.\)
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Use the following information to answer the questions. Some statements regarding coal and petroleum are given below.
D) Both statements I and III are correct
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Based on the above data, answer the following questions: i. Identify the element having highest atomic number.
i. Element IV. The first ionization enthalpy increases with increase in atomic number along a period. Hence, the element IV having highest IE will have highest atomic number among the...
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Study the schematic representation of the genes involved in the lac operon given below and answer the questions that follow:
i. i gene is the regulatory gene and codes of repressor which acts as inhibitor as inhibits the transcription of structural genes. The repressor of the operon is synthesised from...
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Consider a family of circles passing through the point (3,7) and (6,5). Answer the following questions. If the circle which belongs to the given famil
Correct Answer - 3 The equation of the line passing through the points A(3,7) and B(6,5) is `y-7= - (2)/(3) (x-3)` or `2x+3y -27 =0` Also, the equation of the circle...
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`Delta I_(1)I_(2)I_(3)` is an excentral triangle of an equilateral triangle `Delta ABC` such that `I_(1)I_(2)=4` unit, if `DeltaDEF` is pedal triangle
Correct Answer - 4 `[4]`
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