2066: Who was the first Indian actress to receive the Padma Shri Award ?

(a) Samita Patil
(b) Nargis Dutt
(c) Meena Kumari
(d) Madhubala
2067: What are Rubies and Sapphires chemically known as?

(a) Silicon dioxide

(b) Aluminium oxide

(c) Lead tetroxide

(d) Boron nitride
2068: If the angles of a triangle are in the ratio of 4 : 3 : 2, then the triangle

(a) is obtuse
(b) has one angle greater than 80°
(c) is a right triangle
(d) is acute
2069: Consider the following in respect of 'National Career Service':

1. National Career Service is an initiative of the Department of Personnel and Training, Government of India.

2. National Career Service has been launched in a Mission Mode to improve the employment opportunities to uneducated youth of the country.

Which of the above statements is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2070: Arrange the following in the decreasing order of their carbon content:

I. Cast iron

II. Wrought iron

III. Steel

(a) I, II, III

(b) II, I, III

(c) III, II, I

(d) I, III, II