Subject: Maths, asked on 23/5/18

## 4th.q

Subject: Maths, asked on 23/5/18

## Q.2. The sum of n terms of 2 arithmetic progressions are in the ratio of (7n + 1) : (4n + 27). The ratio of their ${11}^{th}$ terms is (A) 148 : 111 (B) 111 : 148 (C) 111 : 148 (D) 148 : 121

Subject: Maths, asked on 23/5/18

## 10th q 10.  If a1, a2, a3 ........................... is an A.P. such that a1 + a5 +  a10 + a15 + a20 + a24 = 225, then a1 + a2 + a3 + .... + a23 + a24 is equal to (A) 909                                              (B) 75 (C) 750                                              (D) 900

Subject: Maths, asked on 23/5/18

## 16

Subject: Maths, asked on 23/5/18

## 29 29.  A man arranges to pay off a debt of Rs. 3600 by 40 annual instalments which are in A.P. When 30 of the instalments are paid, he dies leaving one- thirds of the debt unpaid. Find the value of the 8th instalment.

Subject: Maths, asked on 23/5/18

## Q.28. 150 workers were engaged to finish a piece of work in acertain number of days. Four workers dropped the second day, four workers deopped the third day and so on, it takes 8 more days to finish the work now. Find the number of days in which the work was completed.

Subject: Maths, asked on 23/5/18

## 26 th Q.26. If the pth term of an A.P. is a and qth term is b, show that the sum of (p + q) terms is $\frac{p+q}{2}\left[a+b+\frac{a-b}{p-q}\right]$

Subject: Maths, asked on 23/5/18

## 23rd q

Subject: Maths, asked on 22/5/18

Subject: Maths, asked on 21/5/18
Subject: Maths, asked on 20/5/18

## Write the sequence with nth term An =6-n

Subject: Maths, asked on 19/5/18

## Q2

Subject: Maths, asked on 16/5/18

## Ans it

Subject: Maths, asked on 16/5/18

## The product of first 5 terms of a geometric progression is 32.if the fourth term is 17 compute the 2nd term

Subject: Maths, asked on 16/5/18

## the product of first 5 terms of a geometric progression is 32

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