NEW
Font size
WorksheetsSequence & Series Set 1
Total questions: 10
Worksheet time: 10mins
If x>0 then, 1+ loge2 x/1! +loge2 x/2! + ….... =
x
x2
2x
√x
If A, B, C are the angles of a triangle and e^ia ,e^ib, e^ic are in A.P. Then the triangle must be
right angled
isosceles
equilateral
Pluto
7 ^ (n+1/2)
5 ^ (n+1/2)
2 ^ (n+1/2)
3 ^ (n+1/2)
Sum of 20 terms of 1.32 + 2.52 + 3.72 + …
178090
168090
188090
198090
4. If ∑k=1ton k(k + 1) (k — I) = pn^4 + qn^3 + fn^2 + sn where p, q, t and s are constants, then the value of s is equal to
-1/4
-1/2
1/2
1/4
After striking the floor a certain ball rebounds 1/4th of its height from which it has fallen. The total distance that the ball travels before coming to rest if it is gently released from a height of l20m is
960m
1000m
1080m
Indefinite
If a2,b, c are in GP then
a2 , b2, c2 are in GP
a2(b+c),b2(a+c), c2(a+b) are in GP
a/b+c, b/c+a, c/a+b are in GP
None of the above
If log a, log b, and log c are in A.P, and also log a— log 2b, log 2b— log 3c, log 3c —log a are in A.P., then
a,b,c are in HP
a,2b, 3c are in HP
a,b,c are sides of triangle
None of the above
