ab : c : : hj : ?

a+b= c
H+j= r

a=1,b=2 , 1+2=3[c]
h=8,j=10 , 8+10= 18 [R]

R

a+b= 1+2 =3 = c h+j=8+10=18 =r

r

ab: c:: hj: l

1 , 6 , 21 , 66 , ?
6-1 = 5
21-6= 15
66-21 = 45
difference me 5 se 15 bana or 15 se 45
isi prakar 45 *3 =135
135+66= 201 answer

AB : C : : HJ : ?
12. 8 10
difference
1^3+2. 2^3+3
3=C. 11= k answer

k

k