A pupil’s marks were wrongly entered as 83 instead of 63. Due to the average marks for the class got increased by half. The number of pupils in the class is___________?
A. 10
B. 20
C. 40
D. 73
Arithmetic Mcqs · Easy · 4 weeks ago
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Question Bank
A pupil’s marks were wrongly entered as 83 instead of 63. Due to the average marks for the class got increased by half. The number of pupils in the class is___________?
A. 10
B. 20
C. 40
D. 73
Arithmetic Mcqs · Easy · 4 weeks ago
A big rectangular plot of area 4320 Sq.m is divided into 3 square shaped smaller plots by fencing parallel to the smaller side of the plot. However, some area of land was still left as a square plot could not be formed. So 3 more square shaped plots were formed by fencing parallel to the longer side of the original plot. Such that no area of the plot was left a surplus. What are the dimensions of the original plot?
A. 160m × 27m
B. 240m × 18m
C. 120m × 36m
D. 135m × 32m
Areas · Easy · 4 weeks ago
A tank 3 m long, 2 m wide and 1.5 m deep is dug in a field 20 m long and 14 m wide. If the earth dug out is evenly spread out over the field, the level of the field will raise by nearly?
A. 0.299 cm
B. 0.29 cm
C. 2.98 cm
D. 4.15 cm
Volumes · Easy · 4 weeks ago
A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the joɡɡer?
A. 3.6 sec
B. 18 sec
C. 36 sec
D. 72 sec
Time & Distance Mcqs · Easy · 4 weeks ago
In a school, 40 % of the students play football and 50 % play cricket. If 18 % of the students play neither football nor cricket, the percentage of students playing both is________?
A. 40 %
B. 32 %
C. 22 %
D. 8 %
Percentage Mcqs · Easy · 4 weeks ago
By selling 12 oranges for one rupee, a man loses 20%. How many for a rupee should he sell to get a gain of 20%?
A. 5
B. 8
C. 10
D. 15
Profit and Loss Mcqs · Easy · 4 weeks ago
A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?
A. 20 hrs
B. 25 hrs
C. 35 hrs
D. Cannot be determined
Pipes and Cisterns · Easy · 4 weeks ago
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is___________?
A. 35.2
B. 36.1
C. 36.5
D. 39.1
Arithmetic Mcqs · Easy · 4 weeks ago
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