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Elitmus Numerical Ability - Sequence and Series Sample Question with Solutions

(#M40160091) ELITMUS QUESTION Number System Keep an EYE

9^n+9^n-1+........+9^3+9^2+9^1. if n is greater than and equal to 4 (i.e 4,5,6,....) then for all values of n series is always divisible by

a. 7380
b. 729
c. 90
d. 9

Asked In Elitmus pankaj yadav (8 years ago)

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(#M40153877) ELITMUS QUESTION Quantative Keep an EYE

If a, b and c are forming increasing terms of G.P. , r is the common ratio then find the minimum value of (c-b), given that (log a+log b+log c)/log 6 =6.Note that r can be any real no.

Asked In Elitmus ANIL KUMAR (9 years ago)

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(#M40153876) ELITMUS QUESTION Quantative Keep an EYE

What is the value of 62th term for the following sequence j1=139/3,j2=-19……………j(k-1 )+j(k-2)=jk.

Asked In Elitmus ANIL KUMAR (9 years ago)

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(#M40152745) ELITMUS QUESTION Elitmus Keep an EYE

In the elitmus forum it's been found that out of all student 50% of student write in the forum out which 36% student write about 3 companies I.E. midntree, tintel , kosch and it's been found that the number of student that wrote about midntree is double of the number of student that write about tintel , which in turn is double of the number of students that write about kosch. And it's been known that number of student that wrote about kosch is 7560 than is the number of student present in the blog :
1- 126000
2- 156000
3- 168000
4- Can't be determined

Asked In Elitmus Abhi (9 years ago)

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(#M40152442) ELITMUS QUESTION remainder theorem Keep an EYE

Guyz i am unable yo understand remainder theorem..plz help me ..how to find remainder when 59^28 is dived by 7...similary 67^99 is divided 7...plz explain in detail...i need it...

Asked In Elitmus raj (9 years ago)

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(#M40152027) ELITMUS QUESTION Number Systems Keep an EYE

The difference between two numbers is 48 and the difference between the arithmetic mean and the geometric mean is two more than half of 1/3 of 96.Find the numbers.

(a)49,1 (b)12,60 (c)36,84 (d)none of these

Asked In Elitmus SHEELA S (10 years ago)

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(#M40151484) ELITMUS QUESTION Number system Keep an EYE

if the sum of 2000 consecutive integer is 5000 then what will be the sum of each digit for last term.
option:
A-4
B-3
C-5
D-none of these

Asked In Elitmus Dhananjay (10 years ago)

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(#M40151469) ELITMUS QUESTION Keep an EYE

if any set of numbers starting with {2,3,4,.....876,877} . how many A.P. can be formed if every A.p. contains at least 3 terms and starting with 2 and ending with 877.
a)-6 b)-7 c)-9 d)-12

Asked In Elitmus ankit (10 years ago)

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(#M40117048) ELITMUS QUESTION sequences and series Keep an EYE

product of 11th and 15 th term of GP is 3.what would be the 5th root of the product of 25 terms of GP.

Asked In Elitmus dukkhi (10 years ago)

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(#M40095170) ELITMUS QUESTION Arithmetic Progression Keep an EYE

dP1,dP2,dP3... are the diffrences in the series. There are total 24 terms in the series and 89 is the 24th term. Find the sum of the series..

Asked In Elitmus Ritesh Siriya (10 years ago)

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