a solution is prepared by mixing two solution with sprit 20% & 60%…In what ration they should be mixed to get the 50% sprit in resultant solution .
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I need Matrix and Series questions with solutions.
one question on: -=+,*=-,/=* etc then 10/5*45=?
there were 253 games played so that atleast two team from the group play each other. Find out the maximum no of team
A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination which is in north west direction.Given the latitude and longitude of source and destination. Find the local time of destination when the flight reaches there?
Person who dicided to go to weekend trip should not exceed 8 hrs driving in a day. Average speed of forward journey is 40 miles/hour . Due to traffic in sundays ,in return journey average speed is 30mph.How far he can select a picnic spot?
A gets 10% more marks than B.Then B gets
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I was married 10 years before my wife was sixth member of my family and now I have a baby and today father died and the average age of my family was same as it was 10 years before. Find my father's age when I was married?
A says " the horse is not black". B says " the horse is either brown or grey." c says " the hoese is brown" At least one is telling truth and atleast one is lying. tell the colour of horse.
COMPLETE THE SERIES 19 48 30 96.... A.144 B. 192 C.160 D. NONE OF THESE
A sheet of paper has statements numbered from 1 to 30. For all values of n from 1 to 30, statement n says "At most n of the statements on this sheet are false". Which statements are true and which are false? a)all odd are false and even are true b)alleven are true and odd are false c)all are false d)none of these
6 cats kill 6 rats in 6 minutes .how many cats will be needed to kill 100 rats in 50 minutes?
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area of triangle=1/2*b*h base incresed by 4 times & height is devided by 2, the net effect of area.