A man buys a table and chair for Rs. 500/-. He sells the table at a loss of 10% and chair at a gain of 10%. He still gains Rs. 10/- on the whole. The cost price of chair (in Rs) is:
Rs. 200
Rs. 250
Rs. 300
Rs. 350
The least number that must be added to 8961 to make it exactly divisible by 84 is
27
57
141
107
The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher.
30
25
35
40
In Δ ABC and Δ DEF, if ∠A = 50°, ∠B = 70°, ∠C = 60°, ∠D = 60°, ∠E = 70° and ∠F = 50° then
Δ ABC ~ Δ FED
Δ ABC ~ Δ DFE
Δ ABC ~ Δ EDF
Δ ABC ~ Δ DEF
In a Δ ABC, if , then
.
22.5°
90°
67.5°
112.5°
C.
67.5°
Ratio of angles of A, B , C is given by:
As we know that,
Two persons are on either side of a temple, 75 m high, observe the angle of elevation of the top of the temple to be 30° and 60° respectively. The distance between the persons is
173.2 m
100 m
157.7 m
273.2 m