Question

Choose correct pair/s in place of '?'.
235:21::466:60:: 658:70::?
OPTIONS
MARK FOR REVIEW
CLEAR SELECTION
- A) 145:36
B) 785:96
C) 666:72
D) 234:25​

Answer 1

Answer:

i think so its option( b)

Step-by-step explanation:

but oi am not sure

Answer 2

• Option (B) 785 : 96 and Option (C) 666 : 72 are correct pairs in place of '?'.

Given :- 235:21 :: 466:60 :: 658:70

To Find :- correct pair/s in place of '?'

A) 145:36

B) 785:96

C) 666:72

D) 234:25

Logic :-

• abc : (a × b) + (b × c)

Solution :-

235 : 21

comparing 235 with abc we get,

→ a = 2

→ b = 3

→ c = 5

So,

→ abc : (a × b) + (b × c)

→ 235 : (2 × 3) + (3 × 5)

→ 235 : 6 + 15

→ 235 : 21

similarly,

466 : 60

comparing 466 with abc we get,

→ a = 4

→ b = 6

→ c = 6

So,

→ abc : (a × b) + (b × c)

→ 466 : (4 × 6) + (6 × 6)

→ 466 : 24 + 36

→ 235 : 60

similarly,

658 : 70

comparing 658 with abc we get,

→ a = 6

→ b = 5

→ c = 8

So,

→ abc : (a × b) + (b × c)

→ 658 : (6 × 5) + (5 × 8)

→ 658 : 30 + 40

→ 658 : 70

checking given options now we get,

A) 145 : 36

using abc : (a × b) + (b × c)

→ 145 : (1 × 4) + (4 × 5)

→ 145 : 4 + 20

→ 145 : 24

Option (A) is incorrect .

B) 785 : 96

using abc : (a × b) + (b × c)

→ 785 : (7 × 8) + (8 × 5)

→ 785 : 56 + 40

→ 785 : 96

Option (B) is correct .

C) 666 : 72

using abc : (a × b) + (b × c)

→ 666 : (6 × 6) + (6 × 6)

→ 666 : 36 + 36

→ 666 : 72

Option (C) is correct .

D) 234 : 25

using abc : (a × b) + (b × c)

→ 234 : (2 × 3) + (3 × 4)

→ 234 : 6 + 12

→ 234 : 18

Option (D) is incorrect .

Hence, Option (B) 785 : 96 and Option (C) 666 : 72 are correct pairs .

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