Related Questions

If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is
A $$\frac{{{\text{w}}\left( {{\text{R}} + {\text{T}}} \right)}}{{\text{T}}}$$
B $$\frac{{{\text{w}}\sqrt {{{\text{R}}^2} + {{\text{T}}^2}} }}{{\text{T}}}$$
C $$\frac{{{\text{w}}\sqrt {{\text{R}} + {\text{T}}} }}{{\text{T}}}$$
D $${\text{w}}\frac{{\text{R}}}{{\text{T}}}$$
If a 240-metre-long metro rail passes a pole in 24 seconds, how long will it take to pass a 650-metre-long platform?
A 60 seconds
B 75 seconds
C 89 seconds
D 130 seconds
A man sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 20% and the second articles is sold at a loss of 20%. What is the ratio of the selling price of the first article and the cost price of the second article?
A 24 : 25
B 25 : 24
C 29 : 27
D 27 : 29
Which is the correct article? Metre is ---- unit of length .
A the
B a
C an
D No article
A pile of length ‘L’ carrying a uniformly distributed load ‘W’ per metre length is suspended at two points, the maximum, B.M. at the centre of the pile or at the points of suspension, is
A $$\frac{{{\text{WL}}}}{8}$$
B $$\frac{{{\text{W}}{{\text{L}}^2}}}{{24}}$$
C $$\frac{{{\text{W}}{{\text{L}}^2}}}{{47}}$$
D $$\frac{{{\text{W}}{{\text{L}}^2}}}{{16}}$$
A pile of length carrying a uniformly distributed load per metre length is suspended at two points, the maximum, B.M. at the centre of the pile or at the points of suspension, is
A WL/8
B WL2/24
C WL2/47
D WL2/16
In triangle PQR length of the side QR is less than twice the length of the side PQ by 2 cm. Length of the side PR exceeds the length of the side PQ by 10 cm. The perimeter is 40 cm. the length of the smallest side of the triangle PQR is:
A 6 cm
B 8 cm
C 9 cm
D 10 cm
The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Tk. 800 per sq. metre.
A Tk. 15,000
B Tk. 15,550
C Tk. 15,600
D Tk. 16,500
The total cost of flooring a room at Tk. 8.50 per square metre is TK. 510. If the length the room is 8 m , its breadth is -
A 8.5 m
B 7.5 m
C 10.5 m
D 12.5 m
If a ladder touches the roof of a wall and makes an angle of 40° with the 15 metre ling wall , then the length of the ladder is-
A 30m
B 15m
C 45m
D 15√2m

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