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a random sample of 100 articles selected from a batch of 2000 articles shows that the average diameter of the articles is 0.354 and with a standard deviation 0.048. find 95% confidence interval for the average of this batch of 2000 articles

Whichi number of Alanka in Odia Languege

A man covers a certain distance on scooter. Had he moved 3km/h faster he would have taken 40min less. If he had moved 2km/h slower, he would have taken 40min more. The distance is? (a)42.5km (b) 36km (c) 37.5km (d) 40km {reply with solution}

ABCD is a cyclic quadrilateral the tangent to the circle at the point a and c on it intersect at p if angle ABC 98
degree then what is the measure of angle abc

Whats the Level of DashCAT-3? is it easier than actual CAT or on par?

The radius of a spherical ballon, of 30units , increases at the rate of 2units per second. then it's curved surface area increase by?

the answer is given as 480pie sq units/sec.

but for spheres
for r=30, CSA= 3600pie sq units.
after 1sec,
for r=32, CSA = 4096pie sq units.
so, change in CSA = 496pie sq units/sec.
why is this wrong?

how to prepare for the interview

as there are already 3 free mocks , if I take pack of mocks i.e 15 what I'll be expecting 3+12 or 3free+15 paid mocks???

Study the following information to answer the given questions:
A*B means A is not greater than B
A%B means A is not greater than or equal to B
A&B means A is not smaller than B
A#B means A is not smaller than or equal to B
A@B means A is not greater than or smaller than B

Statements: Y*T&V@X*J%M#P Conclusions:
I. P % T
II.M & X

Only I is follow
Only II is follow
Either I or II follow
Neither I nor II follow
Both I and II are follow

Study the following information to answer the given questions: A*B means A is not greater than B A%B means A is not greater than or equal to B A&B means A is not smaller than B A#B means A is not smaller than or equal to B A@B means A is not greater than or smaller than B Statements: Y*T&V@X*J%M#P Conclusions: I. P % T II.M & X Only I is follow Only II is follow Either I or II follow Neither I nor II follow Both I and II are follow