11EMN20F

The number of ways in which 8 diffetent flowers can be strung to form a garland so that 4 puticular flowers are never separated is ...

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A circle touches the x-axis and also touches the circle with centre at (0, 3) and radius 2. The locus of the centre of the circle is a/an .................

• A. Parabola

• B. Hyperbola

• C. Circle

• D. Ellipse

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Read the following statements and select the correct option.

Statement-I: For each natural number n, (n+l⁾⁷— n⁷— l is divisible by 7.

Statement-2: For each natural number n, n⁷ — n is divisible by 7.

• A. Both Statement-I and Statement-2 are true.

• B. Both Statement-I and Statement-2 are false.

• C. Statement-I is true but Statement-2 is false.

• D.Statement-I is false but Statement-2 is true.

A girl of height 90 cm is walking away from the

base of a lamp-post at a speed of 1.2 m/s. If the

lamp is 3.6 m above the ground, then find the length

of her shadow after 4 s.

• A. 3.2 m

• B. 1.6 m

• C. 2.4 m

• D.2.8 m

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• 3

• 4

Solve and choose the correct option .

• A

• B

• C

• D

Study the given graph and fill in the blanks .

(i) Thc function of the given graph is P

(ii) Domain of the given function is Q

(iii) Range Of the given function is R

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A solid is hemispherical at the bottom and conical

above. If the surface areas of two parts are equal, then

find the ratio of the radius to the height of the conical

part.

• A

• B

• C

• D

Find the value ...

• A

• B

• C

• D