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DS

· started a discussion

· 1 Months ago

SSC CGl ques. (Question: 191772.0 )

If tan 45 degree = cot X than the value of x, in radian is ?
GIVE ans.= PAi/9 ....how?

Question:
DIRECTIONS: The following graph shows the production of cotton bales of 100 kg. Each in lakhs by different states A, B, C, D and E over the years. Study the graph and answer the questions based on it.


The production of state C in 2016-2017 is how many times its production in 2014-2015 ?
Options:
A) 2.5
B) 1.85
C) 1.5
D) 0.4
Solution:
Ans: (a) Production of state C in 2014 –15 = 15 

Production of state C in 2016 – 17 = 35

Required multiplier = \(\cfrac{35}{15}\) = 2.33

\(\cong\) 2.5  

Knowledge Expert

· commented

· 1 Months ago

Dear student,

tan45 = cotx

cot(90-45)=cotx

90-45 = x

x=45 degree

so, x in radian = 45 * pi/180 = pi/4

Even SSC has given pi/9 as answer, which is wrong....you may file RTI to SSC..........

pi/4 is the correct answer....

DS

· commented

· 1 Months ago

Sir.......please
iska solution to batado......
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