Latest Elitmus Aptitude Question SOLUTION: What is sum of last 5 digit in (2020202)^4 ? Asked on 08 June, 2014

• Placement Papers
• /
• Elitmus
• /
• Numerical Ability
• /
• Number System

Elitmus Question Papers:

(#M40037260) ELITMUS Numerical Ability question Sum of last 5 digit Keep an EYE

What is sum of last 5 digit in (2020202)^4 ?
Asked on 08 June, 2014

Asked In Elitmus yatinkarel (10 years ago)

Solved RAKESH Read Solution (13)

Is this Puzzle helpful?   (15)   (2) Submit Your Solution Number System

Read Solution (13) :

RAKESH  (10 years ago)

ans: 17

last 5 digit in (2020202)^4
can be obtained by last 5 digit in (--20202)^4
(20202)^4
2^4*(10101)^4
16*[(10101)^2]^2
consider only last 5 digit
16*( 30201)^2
16*( 00401)
06416

sum of last 5 digit in (2020202)^4 = 0+6+4+1+6 = 17

Is this solution Helpfull? Yes (163) | No (10)  

Yogesh Khichi  (10 years ago)

16656315024710449921606416
This is what you get after raising 2020202 to 4 powers.

Is this solution Helpfull? Yes (8) | No (4)  

deepak kumar  (10 years ago)

last five digits r 06416..... so ans is 17

Is this solution Helpfull? Yes (6) | No (8)  

Radhakanta Ghosh  (10 years ago)

I think answer will be ,Ans: 18

Is this solution Helpfull? Yes (2) | No (22)  

raushan kumar  (10 years ago)

23 is right if have a doubt then calculate on the calculator...

Is this solution Helpfull? Yes (2) | No (30)  

vivek daryani  (10 years ago)

16
is it?
..

Is this solution Helpfull? Yes | No (15)  

Yogesh Khichi  (10 years ago)

I guess 23??
We don't need all the digits, just last ones would suffice

Is this solution Helpfull? Yes | No (14)  

Devraj Dad  (10 years ago)

2020202/100000=1010101/50000,remainder is 101.and then 101*2=202=202^4=.....66419 last 5 digit we have to find ,then sum of last 5digit will be 6+6+4+1+9=23

Is this solution Helpfull? Yes | No (14)  

Soma Ghosh  (10 years ago)

the approach of the solution given here is wrong..i hv calculated it the last 5digits r 82408 ..thus sum vl b 22

Is this solution Helpfull? Yes | No (16)  

PRAVEEN K H  (10 years ago)

Ans is 23..

last 3 digit is enough

(202)^4 = 2^4 * 101^4 = 16 * 104060401 = ....66416

so 6+6+4+1+6=23

Is this solution Helpfull? Yes | No (12)  

sumit kumar  (9 years ago)

frends i am given test on 21-12 but i am not getted result pls tell me what i do..

Is this solution Helpfull? Yes | No   

Kamlesh Kumar  (9 years ago)

(2020202)^4=(202)^4
(202)^4=1664966416
so last 5 digit=6+1+4+6+6=23
Ans=23

Is this solution Helpfull? Yes | No (1)  

Rajan saha  (8 years ago)

Those r saying ans of the question is 23 .they r absolutely wrong .just telling the approach to get easier and earlier solution ...given below

1st take last 5 digit of given no
Then square of that
Then take last digit of that result and then multiply with given last 5 digit no
And continue this until u getting final result.

Is this solution Helpfull? Yes | No   

Please Login to Read Solution.