Mathematics - Online Test
Q1. ∫log x dx is equal to
Answer : Option C
Explaination / Solution:
Q2. If f (x) be a function such thatthen f (x) is equal to
Answer : Option A
Explaination / Solution:
Integrating both sides, we get
Q3. Find the sum of the vectors 
Answer : Option C
Explaination / Solution:
We have:
vectors
vectors
Q4. holds true for all
Answer : Option D
Explaination / Solution:
This is true for all real values of x ∈[0,1].
Q5.
The line y = m x + c is a normal to the circle
Answer : Option A
Explaination / Solution:
has center (-g,-f)
As normal passes through center so center will satisfy the equation of normal
put y=-f and x=-g in equation of the line y=mx+c
-f = m(-g) +c
which gives mg =f+c.
Q6. If x and then is equal to
Answer : Option D
Explaination / Solution:
Q7. The maximum value of sin in the interval is attained at
Answer : Option D
Explaination / Solution:
Q8. 1 + 2 + 3 + .................. n = , is trure
Answer : Option A
Explaination / Solution:
BY the process of mathematical induction , the given statement is true for all natural numbers n.
Q9. Neelam and Nidhi throw with a dice .The chance that both Neelam and Nidhi throw the same number is
Answer : Option A
Explaination / Solution:
TOTAL NO. OF OUTCOMES=62=36
no. of outcomes in which both throws same no.={(1,1),(2,2),(3,3),(4,4),(5,5),(6,6)}=6
p(both throws same no.)=6/36=1/6
Q10. The lines
Answer : Option A
Explaination / Solution:
No Explaination.
