The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?
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The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
32% of a number is 80. What is the number?
A cylindrical vessel of height 9 cm and radius 7 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 10 cm what will be the height of this cone?
If the sum of the interior angles of a regular polygon is 1260 deg , then how many sides does it have?
What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
The square root of which of the following numbers is irrational?
The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area (in sq.cm) of the triangle?