Burn one candle completely==60 mins
Burn the other candle from both the ends ==30 mins
60+30=90mins:)
How can a cake(circular) be cut into 8 pieces by making just 3 cuts?
In the reading room of a library, they are 23 reading spots. Each reading spot consists of a round table with 9 chairs placed around it. There some readers such that in each occupied reading spot there are different number of readers. If in all there are 36 readers, how many reading spots do not have even a single reader?
(loga)^2-(logb)^2 =?
With just six weights and a balance scale, you can weigh any unit number of kgs from 1 to 364. What could be the six weights?
Entry ticket to an exhibition ranges from 1p to 7p. You need to provide exact change at the counter. You have 7p coin. In how many parts will you divide 7p so that you will provide the exact change required and carry as less coins as possible?a) 8b) 7c) 5d) 3
Form 8 digit numbers by using 1,2,3,4,5 with repetition allowed and must be divisible by 4?
If (A + 3)^2 = 9 and (B + 4)^2 = 25 then what is the min value for a and b?
A motor cycle stunts man belonging to a fair, rides over the with vertical walls of a circular well at an average speed of 54 kph for 5 minutes. If the radius of the well is 5 meters then the distance travelled is a) 2.5 kmsb) 3.5 kmsc) 4.5 kmsd) 5.5 kmse) None of the above
(1- 1/6) (1-1/7).... (1- (1/ (n+4))) (1-(1/ (n+5))) = ?
Present population of town is 35,000 having males and females. If The population of males is increased by 6% and if the population of females is increased by 4%, then after 1 year the population becomes 36,700. Find the number males and females?
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