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The distance between the centres of two circles touching extemally is 11 cm. If the sum of their areas is 73π cm 2, then the radius of the larger circle is
The marked price of an article is Rs. 660. A shopkeeper allows a discount of 20% and still gets a profit of 10%. If he sells it for Rs. 470, his profit or loss per cent, correct to two decimal places will be:
Calculate the trapezium’s area if length of its two parallel sides are a = 22.4 cm and b = 23.6 cm and distance between them is 10 cm.
What will be the sum of all natural numbers lying between 100 to 200 which leave a remainder 2 when divided by 5 in each case?
If the height is doubled and the base is decreased by 20%, then the ratio of old area of the triangle and new area of the triangle is -
The table below shows the passing percentage of four schools in four years.
Name of school
2012-13
2013-14
2014-15
2015-16
PQR
27%
31%
45%
67%
ABC
61%
65%
50%
78%
DEF
95%
86%
80%
70%
XYZ
92%
82%
71%
The percentage of which school is increasing sequentially (gradually)?
What is the digit in the unit place of (24)63 + (33)61 - (27)58?
The sum of all even numbers between 1 and 55 is
The given bar chart shows the number of students in a class who have secured marks in three ranges: > = 75%, 60% - 74% and <60%.
From the given information, identify how much percent of girls got distinction. (Note - Distinction refers to marks that are equal to or more than 75%)
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