A speedboat whose speed is 15 kmph in still water goes 30 kmph downstream and comes back in a total of 4hrs 30min. What is the speed of the stream in kmph?
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In a class the average age is 16yrs.if the teacher who is 40 yrs of age is also included ,the average becomes 17yrs,how many students were there?
Rahul took a part in cycling game where 1/5 ahead of him and 5/6 behind him then total number of participants?
In an exam, a girl scores 85% in one subject and 88 % in another subject. What percentage does she score in the third subject to get an average of 88% marks?
In 60 reems of paper 40 reems were utilised then what percent will remain?
series: ??,55,66,48,61,74,60,75,90
A power unit is there by the bank of the river of 750 mtrs wide. A cable is made from power unit to power plant opposite to tht of the river and 1500 mtrs away from the power unit. the cost of cable above water and below water is Rs12 and Rs 15. Find the total cost for cable laying ?
If 1 - Married 0- Not Married and M-1 N-0 N-1 L-0 L-0 M-1 Who is married?
If shalu buys 6 more apples, his carton will weigh 14.5 kilograms.if the weight of one apple is 250 grams.how many apples did he initially had in his carton?
If y/x = 1/3 and x + 2y = 10, then x is
There are 600 tennis players 4% wear wrist band on one wrist Of the remaining, 25% wear wrist bands on both hands How many players don't wear a wrist band?
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