If 212 25 213 36 214 47 215 58 216 69 218

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Read Solution (42) :

anamika mehata (10 years ago)

811 last digit comes first and sum of all digits

Is this solution Helpfull? Yes (29) | No (4)

yogeshwar (10 years ago)

212=24
213=36
214=47
215=58
216=69
217=80
218=91
ans=91

Is this solution Helpfull? Yes (21) | No (12)

TAMA MAJUMDER (10 years ago)

212=(last digit)(sum of all digits)=252
213=last digit=3 sum of all digits=6 i.e=36
like that 218=811

Is this solution Helpfull? Yes (11) | No (3)

r.jindalrohit (10 years ago)

2*12=24 ->25-24=1
2*13=26->36-26=10
2*14=28->47-28=19
2*15=30->58-30=28
2*16=32->69-32=37

here 1,10,19,28,37 is an A.P. with diffrence of 9
so next no in this AP is 46
so2*18=36-> x-36=46
=>x=82 ANS

Is this solution Helpfull? Yes (6) | No (2)

MUNISH YADAV (9 years ago)

The resultant terms are in AP with a diff of 11. So, 217=69+11=80; 218=80+11=91

Is this solution Helpfull? Yes (5) | No (2)

r.jindalrohit (10 years ago)

2*12=24 ->25-24=1
2*13=26->36-26=10
2*14=28->47-28=19
2*15=30->58-30=28
2*16=32->69-32=37

here 1,10,19,28,37 is an A.P. with diffrence of 9
so next no in this AP is 46(when term is 217),55
so2*18=36-> x-36=55
=>x=91 ANS

Is this solution Helpfull? Yes (4) | No (1)

pilla rambabu (10 years ago)

ignore 1st digit
12 reverse 21+4=25
13 reverse 31+5=36
14 41+6=47
15 51+7=58
16 61+8=69
17 71+9=80
18 81+10=91 so 91 is the answer.

Is this solution Helpfull? Yes (4) | No (1)

gauri kumari (10 years ago)

212= (last digit)and(sum of all digits)=25
212=2(2+1+2)=25
213=3 (2+1+3)=36
same for 218= 8(2+1+8)=811........is the right answer.

Is this solution Helpfull? Yes (2) | No

SAURAV DHAR (10 years ago)

218=69+11=80

Is this solution Helpfull? Yes (1) | No

rajesh (10 years ago)

212=25
213=36
214=47
215=58
216=69
218=811

Is this solution Helpfull? Yes (1) | No (2)

Rahul Das (10 years ago)

ans is 91
217=69+11=80
218=80+11=91

Is this solution Helpfull? Yes (1) | No

gudivarthi mounika (10 years ago)

811 because add sum of the digits 2+1+8=11

Is this solution Helpfull? Yes (1) | No

Poornima (9 years ago)

218=91 as the difference is 11.

Is this solution Helpfull? Yes (1) | No

archanatarle (10 years ago)

first place 8 and then add all digit so we will get 811

Is this solution Helpfull? Yes | No (1)

patel Anupkumar Vishnubhai (10 years ago)

Put the last digit first I.e 8 and then the totak of all digits....so the and is 811

Is this solution Helpfull? Yes | No

jaat (10 years ago)

Is this solution Helpfull? Yes | No (1)

pravallika allamaneni (10 years ago)

91
25+11=36
36+11=47
47+11=58
58+11=69
69+22=91

Is this solution Helpfull? Yes | No

Gowtham manogaran (10 years ago)

lets take in this way 25,36,47,58,69,?
every other no is a sum of previous no by 11
so
ans:80

Is this solution Helpfull? Yes | No

Gowtham manogaran (10 years ago)

so given
25,36,47,58,69,?,?
so each no is a sum of 11
so 217=80
ans 218=91

Is this solution Helpfull? Yes | No

swetha (10 years ago)

811 is the solution.write the largest digit first and then add all the digits.

Is this solution Helpfull? Yes | No

Vikram Chaudhary (10 years ago)

In 212, take 12
(12*2)+1=25
(13*2)+(1+9)=36 (1 is previous increment)
(14*2)+(10+9)=47 (10 is previous increment)
(15*2)+(19+9)=47 (19 is previous increment)
likewise ans is 91

Is this solution Helpfull? Yes | No

vasmi (10 years ago)

811..
212=25; last digit 2 and sum of all digts 2+1+2=5
similarly,218=811

Is this solution Helpfull? Yes | No (1)

santosh dash (10 years ago)

212=25 (put last digit(2) as first digit in ans then add 3 nos)
i.e, 21(2) put 2 as 1st digit then add 2+1+2=5 so ans is 25
similarly 218=811

Is this solution Helpfull? Yes | No

sravani (10 years ago)

ans:810
see that in all last digit is first and sum of all digits

Is this solution Helpfull? Yes | No

Ankita Ganguly (10 years ago)

212=25 here in 10th position 2 and 2+1+2=5 finally 25
213=36 here in 10th position 3 and 2+1+3=6 finally 36
.............
218= 82 here in 10th position 8 and 2+1+8=11,1+1=2 finally 82

Is this solution Helpfull? Yes | No

Mrityunjoy Mondal (8 years ago)

each solution is increased by 11 so 217 will be 80 and 218 will be 91

Is this solution Helpfull? Yes | No

krishan agarwal (8 years ago)

just add the numbers u will get last digit.(2+1+8=11)and first digit will be the digit which is at one's place i.e 8 so the answer will be 811

Is this solution Helpfull? Yes | No

Apurva Gupta (8 years ago)

212 -> 2(last digit) and 2+1+2=5 (sum of the digits) that is 25
213-> 3(last digit) and 2+1+3=6 (sum of the digits) that is 36
..
Similarly,
218-> 8(last digit) and 2+1+8=11 (sum of the digits) that is 811

Is this solution Helpfull? Yes | No

raghavendra (8 years ago)

All the RHS terms are obtained by adding 11
so
212=25
213=25+11=36
214=36+11=47
215=47+11=58
216=58+11=69
217=69+11=80
218=80+11=91
ans=91

Is this solution Helpfull? Yes | No

Abhishek Prakash (8 years ago)

There is a difference of 11 in each value hence 218=69+11=80.

Is this solution Helpfull? Yes | No

kruthika s.k (8 years ago)

2+1+2=5
212last dig is 2
now first digit =2
second digit is= sum of the digits=5
and in 218 = last digit is 8 and 2nd digit is sum of digit is 11=811

Is this solution Helpfull? Yes | No

PRAJNYA MANDALA (8 years ago)

212=25 2,(2+1+2)-->25
213=36 3,(2+1+3)-->36
.
.
.
.
.
.
.
.
218=? 8, (2+1+8)--> 811

Is this solution Helpfull? Yes | No

yasir ali khan (8 years ago)

91
11 is being added.so 217=69+11=80
218=80+11=91

Is this solution Helpfull? Yes | No

Pranali Shivaji Koli (8 years ago)

212=25
213=36
214=47
215=58
216=69
217=70
218=88
ans=88

Is this solution Helpfull? Yes | No

korimi narsimlu (7 years ago)

811
LAST DIGIT AFTER SUM OF ALL DIGITS

Is this solution Helpfull? Yes | No

Mageswari (7 years ago)

The answer is 80.for all the difference is 11 so I added 69+11 =80

Is this solution Helpfull? Yes | No

EETHAKOTA MOHAN SAI KUMAR (7 years ago)

2+1+8=11=1+1=2 LAST DIGIT IN A GIVEN NUMBER IS TAKEN AS A FIRST DIGIT IN A ANSWER AND SUM OF DIGITS OF A GIVEN NUM IS SECOND DIGIT IN A ANSWER SO ANSWER IS 82

Is this solution Helpfull? Yes | No

ritika (7 years ago)

811
218= 811

Is this solution Helpfull? Yes | No

Rashi Chauhan (7 years ago)

2+1+8=11
811

Is this solution Helpfull? Yes | No

prasanth (7 years ago)

8in highest place and sum of the singlle numbers next to the 8 is 811 answer

Is this solution Helpfull? Yes | No

SHRAAVANN CUMAAR (5 years ago)

Answer is 811 , out of given nimber last digit will occupy the first position and the sum of all the digits will occupy the remaining positions.

Is this solution Helpfull? Yes | No

Sharon Frost (4 years ago)

Each number is 11 points apart and 216 to 218 would be adding 22 points so the answer is 91.

Is this solution Helpfull? Yes | No

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Latest TCS Aptitude Question SOLUTION: if 212=25 213=36 214=47 215=58 216=69 218=??

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(#M40033579) TCS Numerical Ability question simple Keep an EYE

if
212=25
213=36
214=47
215=58
216=69
218=??

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