Related Questions

Consider the following variable declarations and definations in C . (i) int var _ 9 =1 ; (ii) int 9 _ var =2; (iii) int + =3; Choose the correct statement w.r.t above variables.
A Both i. and ii. are valid
B Only i. is valid
C Both i. & iii. are valid
D All of these
একটি দৈব চলক X এর জন্য Var (2x + 5)-এর মান কত? (For a random variable X, what is the expression of Var(2x+5)?)
A 4Var(X) + 5
B Var(X)
C 2Var(X)
D 4Var(X)
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
C Attenuation
D Teleprocessor
E None of the above
কোনো খেলার সরাসরি সম্প্রচারের ডেটা ট্রান্সমিট হবার প্রক্রিয়া- (i) Broadcast Transmission (ii) Duplex Transmission (iii) Simplex Mode Transmission নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i ii ও iii
When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)
A Is at the maximum distance from CG of the rivet group
B Is at the minimum distance from CG of the rivet group
C Gives the maximum angle between the two forces Fa and Fm
D Gives the minimum angle between the two forces Fa and Fm
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed
A 10 mm
B 15 mm
C 20 mm
D 25 mm
what is the value of variable x after the following statement is executed in JavaScript? Var x2-'3'+'4';
A 34
B 7
C Undefined
Let X and Y be two independent random variables. Which one of the relations between expectation (E), variance (Var) and covariance (Cov) given below is FALSE?
A E(XY) = E(X) E(Y)
B Cov (X, Y) = 0
C Var (X + Y) = Var (X) + Var (Y)
D E(X2Y2) = (E(X))2 (E(Y))2
The “var” and “function” are
A Keywords
B Declaration statements
C Datatypes
D Prototypes
The main difference between the variables declared with var and with let is
A var is confined to a particular function but let is not
B let is confined to a particular function but var is not
C var defines values based on conditions but let does not
D none of the mentioned

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