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8 × 2 – 1 = 15 12 × 2 – 1 = 23 18 × 2 – 1 = 35
The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?
A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20%...
Find the variance of the following data points:
6, 7, 5, 9, 11, 14
If p = q + 2, where q is the product of six consecutive positive integers, then which of the following is/are true?
a. p is a perfect cube
The sum of total surface area of two cubes is 1248-centimeter square. If the product of the length of their edges is 96 centimeter square. Find the diff...
What is the mode of the given data?
5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7
The arithmetic means of the following data is.23,17,20,19,21,20,20
what is the mean of given numbers 25, 15, 12, 23, 15,
The mode and the mean of grouped data are 25 and 29.5 respectively. Find the median, correct to two places of decimal, using empirical relation.
nth term of an AP is 0. If AP is 63, 60, 57…, then find the value of n.
