Question
What is the median of 5, 2.5, 7, 8, 1.5,14 and
4?Solution
5, 2.5, 7, 8, 1.5,14 and 4 Median =(5+2.5+7+8+1.5+14+4)/7 =42/7 Median=6.
what is the mean of given numbers 25, 15, 12, 23, 15,
15 is divided in three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 83. Find the smallest part?
Find the curved surface area of a right circular cone with a radius of 40 cm. The height of the cone is one-third of the length of a rectangle. The rect...
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A, Four years ago from now whi...
A shopkeeper sells a product for ₹720 at a profit of 20%. What was the cost price of the product?
Mean of a grouped data calculated using direct method, assumed mean method or step deviation method:
a, b, c in GP; a + b + c = 21, abc = 216. Find numbers.
If the sum of n numbers in the GP 3, 6, 12, ... is 765 then n is?
In an AP, S₅ = 75 and S₇ = 119, where S_n is sum of first n terms. Find the 10th term.
Find the third proportion of 16 and 24.
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