Question

2:9:91, 2:8:61, 5:10:?, 3:1:57

Answer 1

Answer:

first 92+91+28+61=272

then 105+x+31+57=272

x=272-193

x=79

Answer 2

Question :-

2 : 9 : 91

2 : 8 : 61

5 : 10 : ?

3 : 1 : 57

Answer :-

Logic :

• in 1st and 3rd [ {x : y = xy(two digits number)} * 3 ] + (4) and (-4) alternatively .
• in 2nd and 4th [ {x : y = xy(two digits number)} * 2 ] + (5) and (-5) alternatively .

Explanation :-

In 1st :-

2: 9 : 53

→ 2 : 9 = 29 = two digits number

→ 29 * 3 = 87

→ 87 + 4 = 91.

In 2nd :-

2 : 8 : 61

→ 2 : 8 = 28 = two digits number

→ 28 * 2 = 56

→ 56 + 5 = 61.

In 3rd :-

5 : 10 : ?

→ 5 : 10 = 510 = here, we have 3 digits.

→ 510 * 3 = 1530

→ 1530 - 4 = 1526 (Ans.)

In 4th :-

3: 1 : 57

→ 3 : 1 = 31 = two digits number

→ 31 * 2 = 62

→ 62 - 5 = 57.

Learn more :-

1 2 3 4=10 9 3 4 14=222 9 10 12 11=?

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Complete the series:

D3Y104, G9U91, J27078, M81 M65

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46,38,42,26

29,44,36,28

12, 11, 14, 12

121,342,? 60

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