Observe the following patterns and complete them.
If 15873 × 7 = 111111 and 15873 × 14 = 222222, then what is 15873 × 21 and 15873 × 28?
(3 marks)

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Solution

Given:
15873 × 7 = 111111
15873 × 14 = (15873 × 7) × 2 = 111111 × 2 = 222222
(1 mark)
15873 × 21 = (15873 × 7) × 3 = 111111 × 3 = 333333
(1 mark)
15873 × 28 = (15873 × 7) × 4 = 111111 × 4 = 444444
(1 mark)

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Similar questions

Observe the pattern and complete it.

$15873 \times 7 \times 1 = 111111$

$15873 \times 7 \times 2 = 222222$

$15873 \times 7 \times 3 = 333333$

$15873 \times 7 \times . . . . . = 444444$

$15873 \times 7 \times 5 = . . . . . . . . .$ $. . . . . . . . . . \times 7 \times 6 = 666666$

Question 76 (ii)

Write the next three rational numbers to complete the pattern:
$\frac{- 8}{7}, \frac{- 16}{14}, \frac{- 24}{21}, \frac{- 32}{28},$ ___ ___ ___

Q. Mark (✓) against the correct answer
If

\frac{x}{6} = \frac{7}{- 3},

then the value of x is

(a) −14
(b) 14
(c) 21
(d) −21

Compute the median from the following data:
$\begin{matrix} Marks & 0 - 7 & 7 - 14 & 14 - 21 & 21 - 28 & 28 - 35 & 35 - 42 & 42 - 49 Numbers of students & 3 & 4 & 7 & 11 & 0 & 16 & 9 \end{matrix}$

Observe the following patterns and complete them.

If 15873 × 7 = 111111 and 15873 × 14 = 222222 then what is

15873 × 21 =? and 15873 × 28 =? ( 2 marks)

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Observe the following patterns and complete them. If 15873 × 7 = 111111 and 15873 × 14 = 222222, then what is 15873 × 21 and 15873 × 28? (3 marks)

Given: 15873 × 7 = 111111 15873 × 14 = (15873 × 7) × 2 = 111111 × 2 = 222222 (1 mark) 15873 × 21 = (15873 × 7) × 3 = 111111 × 3 = 333333 (1 mark) 15873 × 28 = (15873 × 7) × 4 = 111111 × 4 = 444444 (1 mark)

Observe the following patterns and complete them.
If 15873 × 7 = 111111 and 15873 × 14 = 222222, then what is 15873 × 21 and 15873 × 28?
(3 marks)

Given:
15873 × 7 = 111111
15873 × 14 = (15873 × 7) × 2 = 111111 × 2 = 222222
(1 mark)
15873 × 21 = (15873 × 7) × 3 = 111111 × 3 = 333333
(1 mark)
15873 × 28 = (15873 × 7) × 4 = 111111 × 4 = 444444
(1 mark)