@heylady said:Circle's radius would be: a(2-sqrt3)/2Hence ratio would be: 1: (2-sqrt 3)^2: 4
approach bhai???
@heylady said:Circle's radius would be: a(2-sqrt3)/2Hence ratio would be: 1: (2-sqrt 3)^2: 4
Hi i am new to this thread... Please tell me how to solve this question
KhannaiiM

@heylady said:m=x-y then how can this belog m= log x-log y ?????
@Junkmaniac said:What is the product of all roots to the equation(x−1)(x−2)(x−3)+(x−2)(x−3)+(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5)(x−6)+(x−5)(x−6)(x−7)+(x−6)(x−7)(x−8)=0?
@ankitkumaretn said:@arunima88in Answer to q16 is wrong,in the first place.It should be c) if you want proof just do q18 or just see it, you will know.And about other questions, you can do all of them just by calculations.

@arunima88in said:LOD-III Arun Sharma Profit and Loss Page-204 Q 16 -Q 19Q 16 ) Hotel Chanakya in Chanakyapuri has a fixed monthly cost of Rs 1,00,000/-. The advertising cost is Rs 10,000/-/- month. It has 5 A/C Rooms, which costs Rs 600/- per day and 10 Non- AC Rooms, which costs Rs 350/- per day. Direct costs are Rs 100for an A/C room and Rs 50 for a non- A/C room. In the month of Apr 2020, the occupancy rate of A/C rooms is 50% while that of Non- A/c rooms is 45 % . Find the profit of the hotel in terms of rupee terms for the Apr'2020.a) 33600 b) 28,800 c) -32,000 (Loss) d) -17750(Loss) e) None of theseAns d) -17750(Loss)Q 17 For the above question, keeping the A/C occupancy constant at 50%, what should be the minimum occupancy rate for non-A/c rooms for incurring no loss for this month ?a) 75.66 b) 80.66 c) 83.33 d) 86.66 e) 80%Ans b) 80.66Q 18 For Q 16 & 17 : Rs 25,000 worth of advertising a sale promotion of 20% off on the bill doubles the occupancy rate. If this is done , what is the change in the rate of profit or loss ?a) Reduction of loss by Rs 5,900b) Reduction of loss to Rs 5,900c) Reduction of loss by Rs 26,100d) Both b and ce) None of theseAns d) Both b and cQ 19 Advertsing worth Rs 50,000 is done for the sales promotion of A/C rooms (advertising a 20% reduction in the bill for A/C rooms). This leads to a doubling of the occupancy rate of A/C rooms. Besides , it also has an effect of increasing non- A/C room occupancy by 20%, Is this advised ?a) Yes b) No c) Indifferent d) Cannot be determined e) None of theseAns b) NoThanks in Advance
LOD-III Q 19 Page 204 Q22
@Subhashdec2 said:
18)AC Rooms=5*30 *600*4/5 - 100*5*30=72000-15000=57000NON Ac Rooms=10*30*9*350/10-10*30*50=7950079500+57000=136500CP=100000+10000+25000=135000Profit=1500E19) AC Rooms=5*30 *600*4/5 - 100*5*30=72000-15000=5700020% of 45 % =9%new occupancy=54%cleary it is not advised
Q20
Q 25