MCQs: The mean marks of 30 students in a class is 58.5. Later on it was found that 75 was wrongly recorded as 57. Find the correct them.
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A person travels from x to y at a speed of 40Km/h and returns by increasing his speed 50%. What is his average speed for both the trips?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average of 18 observations was calculated and it was 124. Later on it was discovered that two observations 46 and 82 were incorrect. The correct values are 64 and 28. The correct average of 18 observations is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is__________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?
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MCQs: A steamer goes downstream from one port to another in 4 hours, it covers the same distance upstream in 5 hours. If the speed of the stream is 2km/hr,the distance between the two parts is_______?
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MCQs: The speed of a motor boat is that of the current of water as 36:5. The boat goes along with the current in 5 hours 10 min, it will come back in_______?
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MCQs: The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A boat covers a distance of 30 km in 2 ½ hours running downstream while returning it covers the same distance in 3 ¾ hours. What is the speed of the boat in still water?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A boat goes 24 km downstream in 10 hours, it takes 2 hours more to cover the same distance against the stream. What is the speed of the boat in still water?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A boat running downstream covers 24 km’s in 4 hours while for covering the same distance upstream it takes 6 hours whats the speed of the boat in still water?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?
Category: Mathematics Quizzes, Published by: TCode Scripts
