Question

If n(A) 130. n(B) 180, n(An B)- 110, find n(AB).
(2) Write rationalizing factor of 8.
(3) Write the following polynomial in standard form
+4 +3m.

(4) Using the property bbk Bl in the blanks :

35

7

28

(5) For different types of investments, what is the maximum permissible amount

under section 80C of income tax ?
(6) The smallest and largest numbers in the data are 21 and 60 respectively. Find the

range of the data
(B) Solve the following questions: (Any Two)
(1) Ajay is younger than Vijay by 5 years. The sum of their ages is 25 years. What is

Ajay's age?
(2) Multiply the given polynomials

2r, 2-21-1
(3) In a competitive exam, 50 students passed in English. 60 students passed in

Mathematics and 40 students passed in both the subjects. None of them failed in
both the subjects. Represent this information using Venn diagram. Find the total

number of students.
(A) Choose the correct alternative :

(1) For the sequence S

+

what is the value of So?

10
(A)
(B)

(C)

(D)

10

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Answer 1

Step-by-step explanation:

i didn't understand it well