arithmetic sum 1+2+3...98+99+100

: These can be inserted between a and b. b. To find the sum of n arithmetic means between the two given quantities: Let the two quantities (numbers) be a and b. The required sum = A 1 + A 2 + A 3 + ---- + A..

If 6 arithmetic means are introduced between 1 and 15, then find their sum. => 64 or 48 or 2 or 32..

A series of the form a + (a + d)r + (a + 2d)r 2 + ... is called an Arithmetic-Geometric series. In the series if we put we get GP and if we put r = 1, we get an AP. To find the sum to the series Subtracting (ii) from (i), we g..

Which one of these is the ordinal number for 100? => Three-hundredth or Two-hundredth or Four-hundredth or Hundredth..

Let a=first term, d = common difference, l=t n =last term, s = required sum. Then, Writing the series in the reverse order, Adding together the two series, ..

These can be inserted between a and b. b. To find the sum of n arithmetic means between the two given quantities: Let the two quantities (numbers) be a and b. The required sum = A 1 + A 2 + A 3 + ---- + A..

The arithmetic mean between two terms in an arithmetic sequence is 21. If one term is 13, then find the other term. => 58 or 50 or 29 or 21..

If Z 1 = a + ib and Z 2 = x + iy, then we define their sum as Z 1 + Z 2 = (a + ib) + (x + iy) = (a + x) + i(b + y) which is a complex numbe..

The accuracy of a result is taken to be equal to the least accurate among the numbers, when 2 or more numbers are used to add, subtract, multiply or divide. The number of significant figures in the result, is equal to the number of significant digits in the least accurate one am..

In a city, 2,000 out of 10,000 people use two-wheelers and 50,000 out of 100,000 use some kind of vehicle. Find the test value and verify if both the proportions differ at 99% confidence level. => - 0.53, the proportions donot differ or 2.58, the pr..