1
IIT-JEE 2007 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Lines $$\mathrm{L}_{1}: y-x=0$$ and $$\mathrm{L}_{2}: 2 x+y=0$$ intersect the line $$\mathrm{L}_{3}: y+2=0$$ at $$\mathrm{P}$$ and $$\mathrm{Q}$$, respectively. The bisector of the acute angle between $$L_{1}$$ and $$L_{2}$$ intersects $$L_{3}$$ at $$R$$.

STATEMENT - 1 : The ratio PR : RQ equals $$2 \sqrt{2}: \sqrt{5}$$.

STATEMENT - 2 : In any triangle, bisector of an angle divides the triangle into two similar triangles.

A
Statement-1 is True, Statement-2 is true; Statement-2 is a correct explanation for Statement-1
B
Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1
C
Statement-1 is True, Statement-2 is False
D
Statement-1 is False, Statement-2 is True
2
IIT-JEE 2007 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Let $$\mathrm{A_{1}, G_{1}}, \mathrm{H}_{1}$$ denote the arithmetic, geometric and harmonic means, respectively, of two distinct positive numbers. For $$n \geq 2$$, let $$\mathrm{A}_{n-1}$$ and $$\mathrm{H}_{n-1}$$ have arithmetic, geometric and harmonic means as $$\mathrm{A_{n}}$$, $$\mathrm{G}_{\mathrm{n}}, \mathrm{H}_{\mathrm{n}}$$ respectively.

Which one of the following statements is correct?

A
$$\mathrm{G}_{1} > \mathrm{G}_{2} > \mathrm{G}_{3} >\ldots$$
B
$$\mathrm{G_{1} < G_{2} < G_{3} < \ldots}$$
C
$$\mathrm{G}_{1}=\mathrm{G}_{2}=\mathrm{G}_{3}=\ldots$$
D
$$\mathrm{G}_{1} < \mathrm{G}_{3} < \mathrm{G}_{5}<\ldots$$ and $$\mathrm{G}_{2} > \mathrm{G}_{4} > \mathrm{G}_{6} > \ldots$$
3
IIT-JEE 2007 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Let $$\mathrm{A_{1}, G_{1}}, \mathrm{H}_{1}$$ denote the arithmetic, geometric and harmonic means, respectively, of two distinct positive numbers. For $$n \geq 2$$, let $$\mathrm{A}_{n-1}$$ and $$\mathrm{H}_{n-1}$$ have arithmetic, geometric and harmonic means as $$\mathrm{A_{n}}$$, $$\mathrm{G}_{\mathrm{n}}, \mathrm{H}_{\mathrm{n}}$$ respectively.

Which one of the following statements is correct?

A
$$A_{1} > A_{2} > A_{3} > \ldots$$
B
$$\mathrm{A}_{1} < \mathrm{A}_{2} < \mathrm{A}_{3} < \ldots$$
C
$$A_{1} > A_{3} > A_{5}>\ldots$$ and $$A_{2} < A_{4} < A_{6} < \ldots$$
D
$$A_{1} < A_{3} < A_{5} < \ldots$$ and $$A_{2}>A_{4} > A_{6} > \ldots$$
4
IIT-JEE 2007 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Let $$\mathrm{A_{1}, G_{1}}, \mathrm{H}_{1}$$ denote the arithmetic, geometric and harmonic means, respectively, of two distinct positive numbers. For $$n \geq 2$$, let $$\mathrm{A}_{n-1}$$ and $$\mathrm{H}_{n-1}$$ have arithmetic, geometric and harmonic means as $$\mathrm{A_{n}}$$, $$\mathrm{G}_{\mathrm{n}}, \mathrm{H}_{\mathrm{n}}$$ respectively.

Which one of the following statements is correct?

A
$$\mathrm{H}_{1} > \mathrm{H}_{2} > \mathrm{H}_{3} > \ldots$$
B
$$\mathrm{H}_{1} < \mathrm{H}_{2} < \mathrm{H}_{3} < \ldots$$
C
$$\mathrm{H}_{1}>\mathrm{H}_{3} > \mathrm{H}_{5} > \ldots$$ and $$\mathrm{H}_{2} < \mathrm{H}_{4} < \mathrm{H}_{6} < \ldots$$
D
$$\mathrm{H}_{1} < \mathrm{H}_{3} < \mathrm{H}_{5}< \ldots$$ and $$\mathrm{H}_{2} > \mathrm{H}_{4} > \mathrm{H}_{6} > \ldots$$

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