Question
A was travelling from point X to point Y. He increased
his speed by 4 km/h after every hour. He reached his destination in 8 hours. If his initial speed was 40 km/h, then what was his average speed in the whole journey?Solution
Total distance travelled by A = (8/2) × {2 × 40 + (8 – 1) × 4} = 4 × (80 + 28) = 432 km Required average speed = 432/8 = 54 km/h
The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown below. Choose a figure which would most closel...
A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
...In the question one part of the problem figure is subtracted. Select the portion that shows the correct shape by the subtraction.
Question fig...
The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown in the following figures. How would this paper l...
The sequence of folding a piece of paper and the manner in which, it is folded has been cut is shown in the following figure. How would this paper look...
A piece of paper is folded and cut as shown below in the question figure. How will it appear when unfolded?
Choose the cube that will be formed by folding the sheet of paper shown in the problem figure.
A paper is folded and cut as shown in the following figures. How will it appear when unfolded?
Find out from the four alternatives as how the pattern would appear when the transparent sheet is folded at the dotted line.
Relevant for Exams:
