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(4) Mathematics (Q. No. 91-120)
111. The area of two concentric circles forming a ring are 154 sq. cm and 616 sq. cm. The breadth of the ring is :-
(a) 7 cm
(b) 14 cm
(c) 21 cm
(d) 28 cm
Answer – a
112. If each edge of a cube is increased by 25% then the percentage increase in its surface area is
(a) 25 %
(b) 48.75%
(c) 50%
(d) 56.25%
Answer – d
113. How many times do the hands of a clock coincide in a day ?
(a) 20
(b) 21
(c) 22
(d) 24
Answer – c
115. Directions : Find out the wrong number in the series :-
196, 169, 144, 121, 100, 80, 64
(a) 169
(b) 144
(c) 121
(d) 100
(e) 80
Answer – e
116. In the scope of educational diagnosis use is made of
(a) Interview
(b) diagnostic test
(c) observation
(d) All of these
Answer – d
117. The lesson plan helps in :-
(a) applying theoretical knowledge in class
(b) giving practical shape to the concept of management of teaching-learning.
(c) Both ‘A’ and’ ‘B’
(d) None of the above
Answer – c
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118. What are the tests of performance ?
(a) Essay type tests
(b) Objectives tests
(c) Tests of skills
(d) None of these
Answer – c
119. Multiple choice tests require thinking the… alternative
(a) Incorrect
(b) correct
(c) Both ‘a’ and ‘b’
(d) None of the above
Answer – b
120. “If and only if” is known as :-
(a) Mathematical term
(b) Mathematical phrase
(c) Mathematical concept
(d) None of these
Answer – b
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