Identify the correct relationship between x and y from the given table.

x	1	2	3	4	...
y	4	8	12	16	...

(a)

y = 4x

(b)

y = x + 4

(c)

y = 4

(d)

y = 4 × 4

Identify the correct relationship between x and y from the given table.

x	-2	-1	0	1	2	...
y	6	3	0	-3	-6	...

(a)

y = −2x

(b)

y = +2x

(c)

y = +3x 

(d)

y = −3x

The elements along the sixth row of the Pascal’s Triangle is

(a)

1, 5, 10, 5, 1

(b)

1, 5, 5, 1

(c)

1, 5, 5, 10, 5, 5, 1

(d)

1, 5, 10, 10, 5, 1

The difference between the consecutive terms of the fifth slanting row containing four elements of a Pascal’s Triangle is

(a)

3, 6,10,…

(b)

4, 10, 20,…

(c)

1, 4, 10,…

(d)

1, 3, 6, …

What is the sum of the elements of nineth row in the Pascal’s Triangle?

(a)

128

(b)

254

(c)

256

(d)

126