Related Questions

A person needs 5 boards, each 3 feet 8 inches long but wood is not sold in fraction of a feet. What is the minimum length of wood, in feet, he must buy?
A 20
B 18
C 19
D 17
A carpenter needs 4 boards, each 2 feet 10 inches long,. If wood is sold only by the feet, what is the minimum length, in feet, of wood he must buy?
A 9
B 10
C 11
D 12
Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the
A Decolourisation of sugar
B Solvent recovery from air and gases
C Absorption of gases and vapor
D Electrode manufacture
Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about
A Half
B One third
C One fifth
D One twelfth
A board of length L feet is cut into two pieces such that the length of one piece is 1 foot more than twice the length of the other piece. Which of the following is the length, in feet, of the longer piece?
A (2L+1)/2
B (L-1)/3
C (2L+3)/3
D (2L+1)/3
Sobuj bought three pieces of material. The first piece is 1 yard 2 feet 6 inches long, the second piece is 2 yards 1 feet 5 inches long, and the third piece is 4 yards 2 feet 7 inches long. If the cost of the material is Tk. 36 per yard, how much did Sobuj spent?
A Tk. 324
B Tk. 342
C Tk. 350
D Tk. 330
2 large and 1 small pumps can fill a water tank in 4 hours. 1 large and 3 small pumps can also fill the same water tank in 4 hours . How many hours will it take for 3 large 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours
2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours
The solid brick shown is made of small square shaped bricks of side 1. when the large brick is disassembled into its component small bricks. the total surface area of all the small bricks is how much greater than the surface area of the large brick?
A 32
B 40
C 60
D 72
A 40-meter long rope is cut into two unequal pieces. If one piece is 18 meter longer than the other, what is the length ( in meter ) of the shorter piece ?
A 10
B 11
C 18
D None of these

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