Related Questions

On Monday, a person mailed 8 packages weighing an average of 1238 pounds and on Tuesday, 4 packages weighing an average of 1514 pounds. What was the average weight, on pounds, of all the packages the person mailed on both days?
ক 2734
খ 1313
গ 1312
ঘ 2714
Information: The daily average sale of apples in a fruit store is 70 kg. The price of apple per kg is Tk. 200. Due to a faulty weighing machine the store owner actually gives away 1005 grams instead of 1 kg to customers. The store operates . The store operator 300 days every year. Calculation: What is the daily loss of the seller in kg because of the faulty weighing machine?
ক 0.50
খ 0.25
গ 0.35
ঘ 0.45
A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will
ক Sink to bottom
খ Float over fluid
গ Partly immersed
ঘ Be fully immersed with top surface at fluid surface
A metal with specific gravity of o floating in a fluid of same specific gravity a will
ক sink to bottom
খ float over fluid
গ partly immersed
ঘ be fully immersed with top surface at fluid surface
Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of
ক Powder & grannular solids
খ Liquids
গ Low melting point semi-solids
ঘ All of the above
Fresh fruit contains 68% water and dry fruit contains 20% water, How much dry fruit can be obtained from 100 km of fresh fruits?
ক 20 kg
খ 30 kg
গ 35 kg
ঘ 40 kg
There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.
ক One
খ Two
গ Three
ঘ None of these
The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.
ক Equal to
খ Greater than
গ Less than
ঘ Either A, B or C; depends on the size of atom
Total pressure on the vertical face of a retaining wall of height ‘h’ per unit run exerted by the retained earth weighing ‘w’ per unit volume, is
ক $${\text{wh}}\frac{{\left( {1 - \sin \varphi } \right)}}{{\left( {1 + \sin \varphi } \right)}}$$
খ $${\text{w}}{{\text{h}}^2}\frac{{\left( {1 - \sin \varphi } \right)}}{{\left( {1 + \sin \varphi } \right)}}$$
গ $$\frac{{{\text{w}}{{\text{h}}^2}\left( {1 - \sin \varphi } \right)}}{{2\left( {1 + \sin \varphi } \right)}}$$
ঘ $$\frac{{{\text{w}}{{\text{h}}^2}\left( {1 - \sin \varphi } \right)}}{{3\left( {1 + \sin \varphi } \right)}}$$
A shipping clerk has five boxes of different but unknown weights each weighing less than 100 kg. sThe clek weighs the boxes in pairs. The weights obtained are 110, 112, 113 , 114 , 115,116,117,118,120 and 121 kg . What is the weight of the heaviest box?
ক 60 kg
খ 62 kg
গ 64 kg
ঘ Cannot be determined

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