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Are the mocks and sectionals exactly same like last year, or are they updated? Please reply i have to buy them

The condition that there should be 100 requests made for the video solution to be available is unrealistic. as there are hardly 30 by now for LRDI Kindly provide the solutions, we have signed up as we were promised video solutions for CAT Full length mocks.

whois the first president of America

if 5(1/x^2+1/y^2+1/z^2)=4(1/xy+1/yz+1/zx) then find the value of 1/x+1/y+1/z

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?