sequence and series
0 of 25 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
Information
Subject :- QT
Chapter :- Sequence and Series-Test 2
Questions :- 25
Start quiz button
You have already completed the quiz before. Hence you can not start it again.
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
0 of 25 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
-
Thanks for participating in online mock test
Regards
Mock test Team
ekvij
Give feedback for more requirement for Mock test
At
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
-
Question 1 of 25
1 points
Find the sum of infinity of the following series
Correct
a=1
r=-1
sum of GP upto infinity=a/1-r=1/1-(-1)=1/1+1=1/2
Incorrect
a=1
r=-1
sum of GP upto infinity=a/1-r=1/1-(-1)=1/1+1=1/2
-
Question 2 of 25
1 points
Divide 144 into 3 parts which are in AP and such the largest is twice the smallest ,the smallest of 3 numbers will be:
Correct
let the three numbers in AP be a-d,a,a+d
given,a+d=2(a-d)
a-d+a+a+d=144
3a=144
a=48
48+d=2(48-d)
48+d=96-2d
3d=48
d=16
smallest number=a-d
=48-16
=32
Incorrect
let the three numbers in AP be a-d,a,a+d
given,a+d=2(a-d)
a-d+a+a+d=144
3a=144
a=48
48+d=2(48-d)
48+d=96-2d
3d=48
d=16
smallest number=a-d
=48-16
=32
-
Question 3 of 25
1 points
-
Question 4 of 25
1 points
Correct
=1/GxG
Incorrect
=1/GxG
-
Question 5 of 25
1 points
Find the product of
Correct
Incorrect
-
Question 6 of 25
1 points
Insert 2 AM’s between 68 and 260
Correct
Incorrect
-
Question 7 of 25
1 points
Find the numbers whose AM is 12.5 and GM is 10
Correct
Incorrect
-
Question 8 of 25
1 points
If sum of 3 AM’s between a and 22 is 42,then a=____
-
Question 9 of 25
1 points
If each month Rs 100 increases in any sum then find the total sum after 10 months,if the sum of the first month is Rs 2000
Correct
Incorrect
-
Question 10 of 25
1 points
The sum of all 2 digit odd numbers is
-
Question 11 of 25
1 points
The sum of the 3rd and 9th term of an AP is 8.find the sum of the first 11 terms of the progression.
-
Question 12 of 25
1 points
If 8th term of an AP is 15,then sum of its 15 terms is
-
Question 13 of 25
1 points
Correct
Incorrect
-
Question 14 of 25
1 points
Correct
Incorrect
-
Question 15 of 25
1 points
If the sum of the 4th term and the 12th term of an AP is 8,what is the sum of the first 15 terms of the progression ?
Correct
Incorrect
-
Question 16 of 25
1 points
The 4th term of 3 times the first and the 7th term exceeds the third term by 1.find the first term a and the common difference d
-
Question 17 of 25
1 points
If n AM are inserted between 7 and 71 and 5th AM is 27 ,then n equal to
Correct
Incorrect
-
Question 18 of 25
1 points
In a GP the 6th term is 729 and the common difference is 3 then the first term of GP is
Correct
Incorrect
-
Question 19 of 25
1 points
An AP has 13 terns whose sum is 143.the 3rd term is 5 so the 1st term is
Correct
Incorrect
-
Question 20 of 25
1 points
Correct
Incorrect
-
Question 21 of 25
1 points
Correct
<
a=1,r=1/3/1=1/3<1
sum=a/1-r=1/1-1/3=1/2/3=3/2=1.5
Incorrect
<
a=1,r=1/3/1=1/3<1
sum=a/1-r=1/1-1/3=1/2/3=3/2=1.5
-
Question 22 of 25
1 points
Correct
Incorrect
-
Question 23 of 25
1 points
-
Question 24 of 25
1 points
If a,b,c are in AP then the value of a-b+c is
Correct
If a,b,c are in AP
then a=1,b=2,c=3
a-b+c=1-2+3=-1+3=2=b
Incorrect
If a,b,c are in AP
then a=1,b=2,c=3
a-b+c=1-2+3=-1+3=2=b
-
Question 25 of 25
1 points
Find the 2 numbers whose GM is 5 and AM is 7.5
Correct
Incorrect
|