Latest IBM Aptitude Question SOLUTION: What is the next number of the following sequence 49,7,98,16,4,48,9,3,36,25,5,125

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What is the next number of the following sequence
49,7,98,16,4,48,9,3,36,25,5,125

Asked In IBM Jagriti Banerjee (10 years ago)

Solved Prateek Agarwal Read Solution (14)

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Read Solution (14) :

Divya  (10 years ago)

7^2=49
49*2=98
(7-3==>4)subraction of odd number
4^2=16
16*3=48
(4-1==>3)subraction of odd number
3^2=9
9*4=36
(3+2==>5)addition of even number
5^2=25
25*5=125
(5+4==>9)addition of next even number
9^2=81
81*6=486
ans:81,9,486

Is this solution Helpfull? Yes (13) | No (6)  

Hardeep Singh  (10 years ago)

(49,7,98),(16,4,48),(9,3,36),(25,5,125),(x,y,z)

in each groups 2nd element^2 = 1st element
thus we need to find y first to get the value of x ..

thus consider only 2nd term of each group ...

(_,7,_) , (_,4,_) , (_,3,_) , (_,5,_)

now 7-4 = 3 -| 3-1 = 2
4-3 = 1 -|
3-5 = -2 -| 1-(-2) = 3
i.e. 5-y = k -| -2-k=4 -> k=-6

i.e. 5-y=k -> 5-y=-6 -> y=11

therefore x = y^2 -> 11^2 -> 121

(121,11,726)

Is this solution Helpfull? Yes (12) | No (8)  

raj kiran  (10 years ago)

36,6,216 simply

Is this solution Helpfull? Yes (7) | No (5)  

anil535   (9 years ago)

(7^2,7,7^2*2),(4^2,4,4^2*3)(3^2,3,3^2*4),(5^2,5,5^2*5),(6^2,6,6^2*6)

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

Prateek Agarwal  (10 years ago)

7X7=49
49X2=98

4X4=16
16X3=48

3X3=9
9X4=36...and so on























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Is this solution Helpfull? Yes (5) | No (35)  

Deepika KV  (10 years ago)

give proper ans pls

Is this solution Helpfull? Yes (4) | No (2)  

Akhil Baluja  (9 years ago)

36*6=216 ans
so x=36
y=6
z=216

Is this solution Helpfull? Yes (3) | No (5)  

Chirag Ranjan Lahiri  (9 years ago)

36*6=216 ans
so x=36
y=6
z=216

Is this solution Helpfull? Yes (2) | No (3)  

vivek kumar  (8 years ago)

ans is 36 6 216

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

MANOJ BAISOYA  (8 years ago)

7^2=49
49*2=98
(7-3==>4)subraction of odd number
4^2=16
16*3=48
(4-1==>3)subraction of odd number
3^2=9
9*4=36
(3+2==>5)addition of even number
5^2=25
25*5=125
(5+4==>9)addition of next even number
9^2=81
81*6=486
ans:81,9,486

Is this solution Helpfull? Yes (2) | No   

Subash  (9 years ago)

(49,7,98),(16,4,48),(9,3,36),(25,5,125),(x,y,z)

(7^2,7, 7^2*2)

98/7=14; 14 -(7+3)= 4; (4^2, 4, 4^2*3).

48/4=12. 12-(4+5)=3; (3^2,3,3^2*4). next series, we know (25,5,125)

36/3=12. 12-(3+y)=5.. y=4. So the last series would be (4^2, 4, 4^2*6)

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

Arpit dubey  (8 years ago)

xyz value of new term (121 , 11 , 726)

Is this solution Helpfull? Yes | No (1)  

Alok Swarnkar  (8 years ago)

7*7=49, 7*2=14*7=98
4*4=16,4*3=12*4=48
3*3=9,3*4=12*3=36
5*5=25,5*5=25*5=125

Is this solution Helpfull? Yes | No (1)  

sombhatla naveena  (8 years ago)

vivek can u pls explain me how u have got that ans....

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