Which term of this-progression 0.004, 0.02, 0.1..... is 12.5?

Find the sum to indicated number of terms in each of the geometric progressions in 0.15, 0.015, 0.0015 ,.........20 terms .

The first term of an arithmetic progression is 1 and the sum of the first nine terms equal to 369 . The first and the ninth term of a geometric progression coincide with the first and the ninth term of the arithmetic progression. Find the seventh term of the geometric progression.

If the pth term of an arithmetic progression is q and the qth term is p, show that its (p+q)th term is 0.

Arrange the following in the descending order (bigger to smaller) of their values. (iii) 0.9 × 0.2, 0.9, 0.2

Let's simplify : 0.07 xx 0.2 xx 0.5

Let's simplify : 0.025 xx 0.02

The sum of 0. 2+0.004+0. 00006+0. 0000008+... to oo is a. (200)/(891) b. (2000)/(9801) c. (1000)/(9801) d. none of these

The vaIue of two resistors are (5.0 pm 0.2)k Omega and (10.0 pm 0.1)k Omega . What is the percentage error in the equivaIent resistance when they are connected in paraIIeI?

Does there exist a geometric progression containing 27, 8 and 12 as three of its terms? If it exists, how many such progressions are possible ?

Let's Multiply (iii) 0.02 × 0.2