Question
P6.PA.JC.22050605-A3
PSLE
The first 15 numbers of a number pattern are given.

7, 8, 1, 9, 7, 8, 1, 9, 7, 8, 1, 9, 7, 8, 1, ... 

  1. What is the 643rd number?
  2. What is the sum of the first 289 numbers?
3 m
(a)
∑

Click ∑ button first when a symbol is required. X

(b)
∑

Click ∑ button first when a symbol is required. X

Symbols

Enter the numerator and denominator


Enter value


2
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STUDENT

Primary 6 PATTERNS P6.PA.JC.22050605

26 Jun 2024, 09:12 AM

PSLE
The first 15 numbers of a number pattern are given.

7, 8, 1, 9, 7, 8, 1, 9, 7, 8, 1, 9, 7, 8, 1, ... 

  1. What is the 643rd number?
  2. What is the sum of the first 289 numbers?
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