Related Questions

চারটি সমানুপাতিক রাশির প্রান্তীয় রাশি দুটির গুনফল ২০০। প্রথম রাশিঃ দ্বিতীয় রাশি= ১ঃ২, দ্বিতীয় রাশিঃচতুর্থ রাশি= ১ঃ৪। তৃতীয় রাশিটি কত?
ক ৫
খ ১০
গ ২০
ঘ ৪০
For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter)
ক π(=A/D²)
খ π/6(=V/D³)
গ AD/V
ঘ None of these
For spheres, volume shape factor is given by
ক π(=A/D²)
খ 2π(=2A/D²)
গ π/6(=V/D³)
ঘ AD/V
A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ?
ক Both the spheres will reach the ground simultaneously.
খ A will reach the ground first.
গ B will reach the ground first.
ঘ The question is incomplete because the masses of the spheres are not given.
The impact between two lead spheres is approximately equal to an __________ impact.
ক Elastic
খ Inelastic
গ Solid
ঘ None of these
Mr. A and B are two partners and their profit or loss sharing ratio is 4 : 3. It they accept Mr. C as their new partner by offering 2/5 of their total profit or loss, what will be their new ratio?
ক 4 : 3 : 2
খ 12 : 9 : 14
গ 12 : 9 : 23
ঘ 7 : 7 : 5
Solution Y is 40 percent sugar by volume and solution X is 20 percent sugar by volume. how many gallons of solution that is 25 percent sugar by volume/
ক 75
খ 150
গ 240
ঘ 450
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
ক 600
খ 800
গ 300
ঘ 250
ঙ None of these
Falling drops of water become spheres due to the property of
ক adhesion
খ cohesion
গ surface tension
ঘ viscosity
For spheres, the specific surface shape factor is given by
ক $$\frac{{{\text{AD}}}}{{\text{V}}}$$
খ $$\frac{{\text{D}}}{{\text{V}}}$$
গ $$\frac{{\text{A}}}{{\text{V}}}$$
ঘ $$\sqrt {\frac{{{\text{AD}}}}{{\text{V}}}} $$

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