Inductive method of teaching Mathematics we proceed from
Abstract to concrete
General to specific
Known to unknown
Unknown to known
In a pair of adjacent angles (i) Vertex is always common, (ii) one arm is always common and (iii) uncommon arms are always opposite rays. Then
(ii) is false
(iii) is false
All (i), (ii) and (iii) are true
(i) is false, but (ii) and (iii) are true
A horse is tethered to a stake by a rope of 30 m long. If the horse moves along the circumference of a circle keeping rope tight, find that how far the horse have gone from initial point if the rope has traced an angle of 105° at the centre ?
55 m
5.5 m
155 m
25 m
The sum of two natural numbers is 8. Determine the numbers if the sum of their reciprocals is
3, 5
6, 2
4, 4
None of these
The ratio of two numbers is 5 : 6 and their HCF is 12. Their LCM is
60
72
180
360
D.
360
The price of petrol increased by 25%. In order that expenses on petrol should not increase, one must reduce travel
25%
20%
18%
15%
If each exterior angle of a regular polygon is 18°, then the number of sides of the polygon is
10
15
20
30