Related Questions

y=3x² যদি 2x²y"+5xy'+ky=0 সমীকরণের সমাধানহয়, তবে K এর মান কত?
A -10
B 10
C 5/2
D -14
(x4 – y4), 2 (x + y), (2x2y + 2xy2) এদের ল.সা.গু. কত? 
A 2xy(x4-y4)
B 2xy(x2+ y2) (x−y)
C 2xy(x4+y4)
D 2xy(x2-y2)
When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal
A Polar moment of inertia
B Polar modulus
C Diameter
D Angle of twist
The value of "A" varies in inverse proportion as the square of "B". If the value of "A" is equal to 40 , when "B" is equal to 12. What would be the value of "A" when "B" is equal to 24?
A 15
B 20
C 10
D 22
Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same.
A Compressibility
B Molecular weight
C Humidity
D None of these
If 12% of x is equal to 6% of y, then 18% of x will be equal to how much percent of y?
A 7%
B 9%
C 11%
D None of htese
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as
A angular bevel gears
B crown bevel gears
C internal bevel gears
D mitre gears
Nitin's age was equal to square of some number last year and the following year it would be cube of a number. If again Nitin's age has to be equal to the cube of some number, then for how long he will have to wait?
A 10 years
B 38 years
C 39 years
D 64 years
If a third equal and similar charge is placed between two equal and similar charges, then this third charge will
A move out of the field of influence of the two charges
B remain in stable equilibrium
C not be in equilibrium
D be in unstable equilibrium
If the number of links in a mechanism is equal to $$l$$, then the numbers of possible inversions are equal to
A $$l$$ - 2
B $$l$$ - 1
C $$l$$
D $$l$$ + 1

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