Arithmetical Sequence Test

1. A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 pieces.He cut at the rate of 45 cuts a minute. How many rolls would be cut in 24 minutes?

A.

30 rolls

B.

58 rolls

C.

120 rolls

D.

150 rolls

Correct Answer: 120 Rolls

• Explanation

Number of cuts made to cut a roll into 10 pieces = 9.

Therefore Required number of rolls = ( 45 * 24 ) / 9

= 120.

2. A monkey climbs 30 feet at the beginning of each hour and rests for a while when he slips back 20 feet before he again starts climbing in the beginning of the next hour.If he begins his ascent at 8.00 a.m., at what will he first touch a flag at 120 feet from the ground?

A.

4 p.m

B.

5 p.m.

C.

6 p.m.

D.

8 p.m.

Correct Answer: C 6 p.m

Explanation:

Clearly, the monkey climbs 10 feet in one hour.

So, it will climb up to a height of 90 feet in 9 hours i.e. at 5.00 p.m.

It will then ascend a height of 30 feet in the next hour too touch the peak at 6.00 p.m.