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Cracku's VARC Sectionals' options are too close to eliminate attracting negatives and pulling down the score. The explanation given are also not to the point. People scoring good in Cracku, How to learn and grow further?

A function f(x) satisfies f(1) = 3600 and f(1) + f(2)+...+f(n) = n²f(n), for all positive integers n > 1.

What is the value of f(9)?

Please select your Answer.

100

80

240

200

100

What is the value of the expression cos 2A cos 2B
+ sin2
(A - B) -sin2
(A+B)?

VARC - Do you guys feel that the options in CRACKU's Varc sectionals are very very similar to each other? I am able to eliminate two options easily but the other two options literally mess up my head. Are you all facing the same issue or is it just me? Am i cooked?

Is there any wp group ?

15

Hindi m paper kaise dekh

VARC - Will these tough Cracku Sectional Mocks help us?

can anyone please tell me who have already appeared cat. Do the level of questions of quant are this hard and have this many layers of understanding ?

Why there is no video solution for quant section in Dashcat 11. Pls provide asap