HSC Science (Electronics) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions

A bag contains 75 tickets numbered from 1 to 75. One ticket is drawn at random. Find the probability that, number on the ticket is a perfect square or divisible by 4

The probability that a student will pass in French is 0.64, will pass in Sociology is 0.45, and will pass in both is 0.40. What is the probability that the student will pass in at least one of the two subjects?

Verify whether the following sequence is H.P.

`1/3, 1/5, 1/7, 1/9, ...`

Verify whether the following sequence is H.P.

`1/3, 1/6, 1/12, 1/24, ...`

Verify whether the following sequence is H.P.

`5, 10/17, 10/32, 10/47, ...`

Find the n^th term and hence find the 8^th term of the following H.P.s :

`1/2, 1/5, 1/8, 1/11, ...`

Find the n^th term and hence find the 8^th term of the following H.P.s :

`1/4, 1/6, 1/8, 1/10, ...`

Find the n^th term and hence find the 8^th term of the following H.P.s:

`1/5, 1/10, 1/15, 1/20, ...`

Find A.M. of two positive numbers whose G.M. and H.M. are 4 and `16/5` respectively.

Find H.M. of two positive numbers A.M. and G.M. are `15/2` and 6

Insert two numbers between `1/4` and `1/3` so that the resulting sequence is a H.P.

Find two numbers whose A.M. exceeds their G.M. by `1/2` and their H.M. by `25/26`

The tenth term of H.P. `2/9, 1/7, 2/19, 1/12, ...` is:

Select the correct answer from the given alternative.

The G.M.of two numbers exceeds their H.M. by `6/5`, the A.M. exceeds G.M. by `3/2` the two numbers are ...

Find the middle term in the expansion of `(x/y + y/x)^12`

Find the middle terms in the expansion of `(x^2 + 1/x)^7`

Find the middle term in the expansion of `(x^2 - 2/x)^8`

Find the middle term in the expansion of `(x/"a" - "a"/x)^10`

Find the middle terms in the expansion of `(x^4 - 1/x^3)^11`

Select the correct answer from the given alternatives.

The middle term in the expansion of (1 + x)²ⁿ will be :