Question

4/3,3/4,8/15,5/12 reasoning
(a)11/35
(b) 12/35
(c) 13/35
(d) none​
Answer Dene wale ko pure saade paach Paise ka inaam

Answer 1

Given :  4/3,3/4,8/15,5/12  

To Find : Next number  

a)11/35

(b) 12/35

(c) 13/35

(d) none​

Solution:

4/3,  3/4   ,8/15,    5/12

4/3   6/8   8/15    10/24

Numerator  4 , 6 , 8 , 10  Hence getting increased by 2

so next numerator = 10 + 2 = 12

Denominator

3 = 1 * 3

8 = 2 * 4

15 =  3 * 5

24 = 4 * 6

next term = 5 * 7 = 35

Hence   12/35  will be the next number

Sequence is    (2n+2)/(n)(n + 2)

Tₙ = (2n+2)/(n)(n + 2)

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