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Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ......
A person sold two articles for 80 /- each.with 20% profit on one article and 20% loss on another article, what is the loss / profit he will gain on both.
a grandfather has 5 sons and daughters and grandchildren.they have to be arranged in a row such that the first 4 seats and last four seats are to be taken by grandchildren and the grandfather would not sit adjacent to any of the grandchildren.
1,40,00,000 pencils are put up straight. all the pencils are of length range 3 to 6 inches. 80% of the pencils have average of five inches. so the find out the total length spanned by the pencils.
Find the speed of the boat in still water if the river runs at 4 km/hr. The time taken by a Suresh to row the boat upstream is 3 as the time taken by him to row it downstream.
Zulus always speak truth and Hutus always speak lies. There are three persons A,B&C. A met B and says " I am a Zulu or I am Hutu". We don't know what exactly he said. then B meets C and says to c that " A is a Zulu ". Then C replied " No, A is a Hutu ". Who must be a Zulu ?
A positive integer which when added to 1000 gives a sum which is greater than 10.06 when it is multiplied by 100 this positive integer is __.
1/8 Is divided by 's' , if 's' is increased by 2 times, what Will be the result.
The mean of 100 bags was found to be 30. What will be the correct mean if at the time of calculation two bags were wrongly taken as 32 and 12 instead of 23 and 11?
Square side 7 cm. Find the area 4 equal circles of the circle lying drawn at the…
There are A,B techers and C,D doctors.Find the possible no of combinations that should not be repeated more than once?
There are 4 married couples out of which 3 a group is needed . But thier should not be his of her spouse .How many groups are possible ?
Y catches 5 times more fishes than X. If total number of fishes caught by X and Y is 48, then number of fishes caught by X?
A car is traveling at a uniform speed. The driver sees a milestone showing a 2-digit number. After traveling for an hour the driver sees another milestone with the same digits in reverse order. After another hour the driver sees another milestone containing the same two digits. What is the average speed of the driver.