Post 380
B) 10
C) 5
D) 100
UPSC CAPF(AC) Exam 2015 Questions Solved
Question 26
Answer: A) 2 1 4 3
Explanation :
- Colour of Coumpound Urea is White
- Colour of Hydrous copper sulphate is Blue
- Colour of Lead sulphide is Black
- Colour of Potassium Permanganate is Pinkish Purple
Question 27 The radius of a hydrogen atom is 10 to the power(-10) m. Number of hydrogen atoms necessary to have a length of one nanometre is
A) 6.023 x 10 power23B) 10
C) 5
D) 100
Answer: C) 5
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Question 28 What is the average number of students studying in Standard I from all schools together?
A) 50
B) 48
C) 43
D) 46
Answer: D) 46
Question 29 What is the respective ratio of students studying in Standard III of schools A and B together to those studying in Standard VI of schools C and D together?
A) 53 : 52
B) 43 : 47
C) 25 : 27
D) 39 : 38