You are absolutely right. 64 is both square and cube hence 1 will be excluded from list (of vinayak's 41). apparently the 1000th term becomes 1040. But since...
Hi Friends, Can any one help in sloving the following problems 1) Find the Number of ways in which 24700 can be expressed as a product of two co-primes? 2)...
Profit and Loss problem? If a man reduces the selling price of a fan from Rs. 400 to Rs. 380, his loss increases from x% to (x+4)%. What is the cost price of...
consider a triangle drawn on the x-y plane with its three vertices of (41,0),(0,41) and (0,0) each vertex being represented by its (x,y) coordinates. The...
The probability that a person stopping at a gas station will ask to have his tyres checked is 0.12, the probability that he will ask to have his oil checked is...
Hi, Please give solution to the following prob-- A teacher wrote a 10 digit number on the board and asked her students to subtract the sum of digits of the...
How many circles of radius r can be arranged around a circle of radius r so that all the circles can touch the central circle? Explore and discover exciting...
The Answer should be 1038 , because there are 30 squares ( from 2 to 31) and 9 cubes(from 2 to 10 ) and two are eliminated( 64 and 729) .So in total there are...
A number subtracted by sum of its digits will always be a multiple of 9. For example take 3 digits - x, y, z. The number is 100x + 10y + z Number subtracted...
The answer is 6. Explaination - Take 2 adjacent exterior circles & the inner circle. Join their centres. You will get an equilateral triangle of each edge...
Half of points in square formed by (0,0) (41,0) (0,41) (41,41) excluding the points on the boundary, 40*40 / 2 Answer: 800 On Mon, May 11, 2009 at 10:55 PM,...
How many integers between 1000 and 10000 have the sum of their digits equal to 9? a) 112Â b) 132c) 126d) 165 Tell me the shortest method to solve it... vaibhav...
BY THE REDUCTION OF 20 RUPEES LOSS INCREASES BY 4% SO DATS Y COST OF FAN IS 100*20/4 = 500 RS IS THE COST OF FAN. Â EXPLANATION: Â Â 4% IS 20 RS THEN WAT IS...
LET TODAY I HAVE TO GIVE RS X THEN INTEREST AFTER 4 YEARS WILL BEÂ =Â X * 6.25*4/100 = 0.25X THEN TOTAL AMOUNT WILL BE = X + 0.25 X WHICH IS = 1500 SO X =...
A long 6 cm cigarette will burn itself up in 15 minutes if no puff is taken.For every puff, it burns three times as fast during the duration of the puff.If the...
A dealer sold a radio at a loss of 2.5 %. Had he sold for Rs. 100 more, he would have gained 7 %.In order to gain 12 %, he should sell it for: a 850 b1080 c...
3 times faster means each puff is reducing 6 secs from the cigarette lifetime. So 2 min divided by 6 = 120/6 = 20 puffs Rahil Sahu Naval Architect VEDAM...
... Rate of burning with no puffs = 6/15 = 2/5 cm/min Rate of burning during a puff = 3*2/5 = 6/5 cm/min Let x min be spent on puffs, hence (13-x) min spent...
The integer points which can be plotted are (1,1),(1,2),(1,3).................(1,39) ,(2,1),(2,2),(2,3)..................(2,38)..............last would be...
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