The multiplication of the age of Rajeev, before 5 yr and after 9

Subject

Mathematics

Class

TET Class 12

Pre Boards

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Sample Papers

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

The multiplication of the age of Rajeev, before 5 yr and after 9 yr, is 15. What is the present age of Rajeev ?

  • 6yr

  • 7yr

  • 5yr

  • 8yr


A.

6yr

Let the present age of Rajeev = x yr

 x - 5x + 9 = 15 x2 + 9x - 5x - 45 = 15 x2  + 4x - 60 = 0  x2 + 10x - 6x - 60 = 0 xx + 10 - 6x + 10 = 0 x - 6x + 10 = 0 x = 6


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2.

In the given figure, AOB is a simple line and OC is incident on this. If a : b = 2 : 1, then the value of a is

  • 800

  • 1000

  • 1200

  • 1400


3.

The students (in Lakh) who appeared and ratio of pass and fail in different cities are given in the following table. Read carefully and answer following question
     
     
City Applicants (in lakh) Ratio of Pass and Fail
A 1.25 7 : 3
B 3.14 5 : 3
C 1.08 4 : 5
D 2.27 1 : 3
E 1.85 3 : 2
F 2.73 7 : 5
     

How many applicants pass in City E ?

  • 13000

  • 1110000

  • 113000

  • 111000


4.

In the given figure,  O is the centre and ACB = 40°, then ACB is equal to

  • 300

  • 400

  • 600

  • 800


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5.

If the radius of the circle is increased 3 times, then how many times the new circumference increase from its original size ?

  • 3

  • 13

  • 9

  • None of these


6.

A room is 12 m long, 9 m wide and 8 m high. What is maximum length of a rod that can be kept in the room ?

  • 17m

  • 16m

  • 15m

  • 14m


7.

Percentage of girls in different school are plotted in following graph. Read carefully and answer following questions

Average number of students in both School P and Q

  • 1425

  • 1575

  • 2750

  • 1625


8.

Nature of mathematics

  • it is logical

  • it is difficult

  • it is ornamental

  • it is not for average students


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9.

In which of the following practice teaching does not helps ?

  • To increase learning transfer

  • To increase understanding solution of the problem

  • To develop efficiency use of theoretical knowledge

  • To work quickly of any problem


10.

Importance of Action Mathematics is

  • direct experience

  • learning by self doing

  • to be permanent and clear of concepts

  • All of the above


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