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ATQ, let the sum of the parallel sides of a trapezium to its height can be '4a' and '5a' respectively. 1/2 × 4a × 5a = 360 a = 36 a = 6 Height of the trapezium = 5×6 = 30m Length of the rectangle = 30m Breadth of the rectangle = 15+30 = 45m Area of the rectangle = 30×45 = 1350m2
A hostel levies a fixed charge along with an additional charge per student. The total charge for 9 students is Rs. 2400, and for 16 students, it is Rs. ...
A person sells each package of snacks for Rs. 13 each. On Monday, he sold 100 packages which was 32 more than that on Tuesday but 21 less than that on W...
What is the rate of interest (in %) if simple interest earned on a certain sum for the 3rd year is Rs 2,000 and compound interest earned in 2 years is ...
The total population of villages A and B together is 75000. ‘y’% and (y+15)% of the population of village A and B are working professionals. The rat...
In 2011, the total population of a village was 5280, Out of which 30% were female. In 2012, the total population increased by 10% in comparison to the p...
In an election between two candidates Abhay and Bharti, Abhay got 55% of the total valid votes, 20% of the total votes were invalid. If the total number...
A number is first increased by 25% and then decreased by 25%. If the net change in the number is 187.5, then find the original number.
1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is :
Monthly savings of ‘A’ is Rs. 600 more than his monthly expenditure and his total monthly income is Rs. 5000. If his monthly income is increased by ...
A man spent 20% of his income in May. If his savings is increased by 20% in June and becomes Rs. 11520, then find the income of man in May.
