Question

The lengths of the rungs of a ladder decrease uniformly by 2 cm, from bottom to top.

The bottom rung is 45 cm in length.

i) The sum of the length of 8 rungs of the ladder together from bottom to the top is:

a) 303 cm b) 304 cm c) 306 cm d) 305cm

ii) The length of the 8th rung from the bottom is :

a) 31 b) 33 c) 35 d) 37

iii) The difference in length of the 3rd rung and 8th rung from bottom to top is :

a) 9 b) 10 c) 8 d) 11

iv) The sum of length of the 3rd rung and 4th rung from the bottom to top is

a) 70 b) 80 c) 90 d) 100

v) The sum of the length of 7 rungs of the ladder from top to bottom is :

a) 260 b) 262 c) 259 d) 258​

Answer 1

Answer:

1. 303. 2.37. 3.100

Step-by-step explanation:

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