 Related Questions Latest Answer : 30 is the answer becoz average should be done by adding all and divide it by number of laps.. ... One person traveled 4 laps with the speed of 10,20,40 ( or 30) and 60 kmph and what is the average speed. 20 Like 6 cubes are arranged adjacently and given the perimeter and asked to find the perimeter of one cube. A ball falls from a height of 8ft ,bounces back to half the distance & continues till it comes to rest. what is the total distance traveled by the ball?(a)24ft(b)48 ft.(c)infinite(d)cannot be determined a 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? 20kmph Latest Answer : Let x be the distance and
y be the average speed
x/10+x/20+x/30+x/40=4x/y
24x/120=4x/y
y=120/6
y=20kmph ... In A,B,C are having some marbles with each of them. A has given B and C the same number of marbles they already have to each of them. then, B gave C and A the same no. of marbles they have, then C gave A and B the same no. of marbles they have. At the end A,B,and C have equal no. of marbles.(i) If x,y,z are the marbles initially with A,B,C respectively. then the no of marbles B have at the end(a) 2(x-y-z) (b) 4(x-y-z) etc.(ii)If the total no. of marbles are 72, then the no. of marbles with A at In a class , except 18 all are above 50 years. 15 are below 50 years of age. how many people are there a) 30 b) 33 c) 36 d) none of these. Latest Answer : it is 1((1+2)/2,2) = 1(1.5,2) so ans is (1.5,2) ... The average salary of 3 workers is 95 Rs. per week. If one earns Rs.115 and second earns Rs.65 how much is the salary of the 3rd worker. 105
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