166: In a class there are 18 boys who are over 160 cm tall. If these boys constitute three-fourths of the boys and the total number of boys is two-third of the number of students in the class, then what is the number of girls in the class?

(a) 6
(b) 12
(c) 18
(d) 24
167: Consider the following pairs :

Tribe : State

1. Limboo (Limbu) : Sikkim

2. Karbi : Himachal

3. Dongaria Kondh : Odisha

4. Bonda : Tamil Nadu

Which of the above pairs are correctly matched?

(a) 1 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
168: Ringworm is caused by

(a) Bacterium

(b) Fungus

(c) Virus

(d) Worm
169: The crop which grows in alluvial soil and needs 150 cm rainfall is:

(a) Wheat

(b) Rice

(c) Groundnut

(d) Sugarcane
170: With reference to the art and archaeological history of India, which one among the following was made earliest?

(a) Lingaraja Temple at Bhubneshwar
(b) Rock-cut Elephant at Dhauli
(c) Rock-cut Monuments at Mahabalipuram
(d) varaha Image at Udayagiri