Question

10, 12, ? , 85, 345, 1731
​

Answer 1

Answer:

36

Step-by-step explanation:

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Answer 2

Answer:

For the given question we should find the pattern between each terms in the series.

Final Answer: Missing number: 27

Series: $10, 12, 27 , 85, 345, 1731$

Step-by-step explanation:

From the given question, pattern for the given series is, multiply and add with consecutive numbers.

Step 1:

• Consider the first term(10).
• To get the second term, first term should multiply by 1 and add with 2.
• That is,  $10\times1=10$

                      $10+2=12$  => (Second term)

Step 2:

• Take the second term(12).

• To get the third term, second term should multiply by 2 and add with 3.

• That is,  $12\times2=24$

                     $24+3=27$  => (Third term)

Step 3:

• Take the third term(27).

• To get the missing term, third term should multiply by 3 and add with 4.

• That is,  $27\times3=81$

                      $81+4=85$  => (Fourth term)

Step 4:

• Consider the fourth term(85).

• To get the next term, fourth term should multiply by 4 and add with 5.

• That is,  $85\times4=340$

                    $340+5=345$  => (Fifth term)

Step 5:

• Take the fifth term(345).

• To get the last term, fifth term should multiply by 5 and add with 6.

• That is,  $345\times5=1725$

                    $1725+6=1731$  => (Sixth term)

Final Answer: Missing number: 27

Series: 10, 12, 27 , 85, 345, 1731