Question
The sum of eight consecutive even numbers of set-A is
416. What is the sum of five consecutive numbers of another set whose lowest number is 18 more than the mean of set –A?Solution
Average of set A = 416/8 = 52 Minimum number of another set = 52 + 18 = 70 ∴ Required sum = 70 + 71 + 72 + 73 + 74 = 360
Find the difference between angle and its complement if the angle is three-seventh of its complement.
A triangular field has sides 13 m, 14 m, and 15 m. A well with a diameter of 7 m is dug outside the field. If the entire soil dug from the well is used ...
If O is circumcentre of acute angled triangle ABC, if ∠ OBC = 150 then ∠BAC = ?
Find the area of triangle having sides in the ratio 3:5:7 & the perimeter of the triangle is 60 cm
If I is the incentre of ΔABC , if ∠BAC = 300 , then what is the measure of ∠BIC?
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Orthocenter of an right angle triangle lies on
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The diagonals of a rectangle are inclined to one side of the rectangle at 25°. The acute angle formed between the diagonals is:
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