Question

What is the rule which forms the following sequences?
(a) 4,7, 12, 19, ....
(b) 1, 7, 17, 31, ....​

Answer 1

Answer:

Step-by-step explanation:

a) add 3 then 5 and 7. 2 is increasing

b) add 6 then 10 and 14 . 4 is increasing

Answer 2

ANSWER:-

1. 4,7,12,19,28

2. 1,7,17,31,49

EXPLANATION:-

1. IN FIRST QUESTION WE CAN SEE THAT FISR THERE IS 4 THEN 7 THEN 12 THEN 19 IT MEANS FIRST DIFFERENCE IS 3 SECOND

DIFFERENCE IS 5 THIRD DIFFERENCE IS 7 THEN FOURTH DIFFERENCE WILL 9.

2. IN SECOND QUESTION FIRST IS 1

THEN 7, THEN 17 THEN 31 IT MEANS THERE IS A DIFFERENCE OF 6 THEN 10 THEN 14 MEANS 4 IS INCREASING HERE SO OTHER WILL BE 49.

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