171: Micro-elements needed to increase soil fertility are:
(a) Nitrogen, hydrogen and calcium
(b) Nitrogen, phosphorus and potassium
(c) Iron, calcium and potassium
(d) Manganese, copper and zinc
172: Which one among the following was the first to legalize euthanasia?
(a) Austria
(b) Canada
(c) Switzerland
(d) Netherlands
173: A walks around a circular field at the rate of one round per hour while B runs around it at the rate of six rounds per hour. They start in the same direction from the same point at 7.30 a.m. They shall first cross each other at
(a) 8.30 a.m.
(b) 8.10 a.m.
(c) 7.48 a.m.
(d) 7.42 a.m.
174: In an office, the distribution of work hours is as shown in the following table:
No. of Staff Members------No. of hours worked
5------------------------ 0 - 19
12------------------------ 20 - 24
25------------------------ 25 - 29
40------------------------ 30 - 34
15------------------------ 35 - 39
8------------------------ 40 - 45
Consider the following inferences drawn from the table :
I. The average number of hours worked by a staff member is about 30.
II. The percentage of those who worked 35 or more hours is less than 25.
III. At least 5 staff members worked more than 44 hours.
Which of these inferences is/are valid ?
(a) I alone
(b) II alone
(c) I and II
(d) I, II and III
175: Which of the following is not a feature of Gandhara School of Art ?
(a) It was patronised by Sakas and Kushanas
(b) It has Indian and Greek influence
(c) It resulted in the origination of Hinayanism
(d) It portrayed human figures exactly