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Business Mathematics Mock Test - 3 - CA Foundation MCQ


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30 Questions MCQ Test - Business Mathematics Mock Test - 3

Business Mathematics Mock Test - 3 for CA Foundation 2024 is part of CA Foundation preparation. The Business Mathematics Mock Test - 3 questions and answers have been prepared according to the CA Foundation exam syllabus.The Business Mathematics Mock Test - 3 MCQs are made for CA Foundation 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Business Mathematics Mock Test - 3 below.
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Business Mathematics Mock Test - 3 - Question 1

f: R x R → R such that f(x + iy) = Then, f is 

Detailed Solution for Business Mathematics Mock Test - 3 - Question 1

Since, f (x + iy) = f (x - iy) 
∴f is many – one
Also, Range =R+and codomain = R.
∴Range ⊏codomain ⇒f is into.
Hence, f is many – one into.

Business Mathematics Mock Test - 3 - Question 2

Detailed Solution for Business Mathematics Mock Test - 3 - Question 2

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Business Mathematics Mock Test - 3 - Question 3

Let f (x) = sinx + ax + b. Then f(x) = 0 has

Detailed Solution for Business Mathematics Mock Test - 3 - Question 3

f'(x) = - cosx + a, if a>1,then f(x) entirely increasing. So f(x) =0 has only one real root, which is positive if f(0) < 0 and negative if f(0) > 0.
Similarly when a <-1. Then f(x) entirely decreasing. So f(x) has only one real root which is negative if f(0) < 0 and positive if f(0) > 0

Business Mathematics Mock Test - 3 - Question 4

If sin y = x sin (a + y) and  then the value of A is 

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Business Mathematics Mock Test - 3 - Question 5

If x:y=2:3 and y:z=4:3, then x:y:z= 

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Business Mathematics Mock Test - 3 - Question 6

Detailed Solution for Business Mathematics Mock Test - 3 - Question 6


Business Mathematics Mock Test - 3 - Question 7

Detailed Solution for Business Mathematics Mock Test - 3 - Question 7

Business Mathematics Mock Test - 3 - Question 8

0, 7, 26, ?, 124, 215

Detailed Solution for Business Mathematics Mock Test - 3 - Question 8

Clearly the given series is 13-1,23-1,33-1,43-1,53-1,63-1. So, the missing number is 43-1=63.

Business Mathematics Mock Test - 3 - Question 9

Complete the given series.

AYBZC, DWEXF, GUHVI, JSKTL, (?), POQPR

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Business Mathematics Mock Test - 3 - Question 10

If x and y are two unequal positive numbers, then which of the following is definitely true? 

Detailed Solution for Business Mathematics Mock Test - 3 - Question 10

Business Mathematics Mock Test - 3 - Question 11

Detailed Solution for Business Mathematics Mock Test - 3 - Question 11


Business Mathematics Mock Test - 3 - Question 12

If A = 2, M = 26, Z = 52, then BET will be equal to

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Business Mathematics Mock Test - 3 - Question 13

The ratio of two quantities is 3:4. if the antecedent of its inverse ratio is 100, then its consequent is

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Business Mathematics Mock Test - 3 - Question 14

5, 16, 51, 158, .....?

Detailed Solution for Business Mathematics Mock Test - 3 - Question 14

16 = 5 X 3 + 1, 51 = 16 X 3 +3 , 158 = 51 X 3 + 5
:. Next term = 158 x 3 + 7 = 481

Business Mathematics Mock Test - 3 - Question 15

The annual gathering of a college was organised on a day. Six different programmes - drama , singing , mimicry ,speech , story -telling and dance are to be performed by six student A , B , C , D , E , and F , not necessarily in the same order. the programme begins with a song not sung by B and ends with a dance. C performs mimicry immediately after the speech. E performs drama just before the dance. D or F are not available for the last performance. The speech is not given by A. An interval of 30 minutes is given immediately after mimicry with three more items remaining to be performed . D performs immediately after the interval .

Q. Which items is performed by F ?

Detailed Solution for Business Mathematics Mock Test - 3 - Question 15

Data inadequate, Since F can be neither song or speech.
Option (d) is correct.

Business Mathematics Mock Test - 3 - Question 16

If the angles of a triangle are in the ratio 2 : 7 : 11, then their respective degree measures are

Detailed Solution for Business Mathematics Mock Test - 3 - Question 16

Let in ΔPQR,m∠P:m∠Q=m∠R =2:7:11 let x be the common multiple
∴m∠P=2x°,m∠Q=7x°,m∠R=11x°⇒m∠P+m∠Q+m∠R=180° ⇒2x°+7x°+11x°=180° ⇒20x°=180° ⇒x°=9°
∴m∠P=2×9=18°⇒m∠Q=7×9=63° ⇒m∠R=11×9=99°
∴ Required measures of angles are 18°,63°,99°

Business Mathematics Mock Test - 3 - Question 17

The number of values of x where the function f(x) = 2 (cos 3x + cos √3x attains itsmaximum, is

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Business Mathematics Mock Test - 3 - Question 18

If the function f : [1,∞) → [1,∞) is defined by f (x) = 2x(x-1), then f-1(x) is 

Detailed Solution for Business Mathematics Mock Test - 3 - Question 18


Business Mathematics Mock Test - 3 - Question 19

A function y =f(x) has a second order derivative f"=6(x-1). If its graph passes through the point(2,1) and at that point the tangent to the graph is y =3x -5, then the function is 

Detailed Solution for Business Mathematics Mock Test - 3 - Question 19

Since f''(x)=6(-1)

Business Mathematics Mock Test - 3 - Question 20

Find the range of values of x that satisfy the inequalities x2-x-6>0 and x2-6x-7<0

Detailed Solution for Business Mathematics Mock Test - 3 - Question 20

Business Mathematics Mock Test - 3 - Question 21

Let f: R → R, g: R → R, be two functions, such that f(x) = 2x - 3, g (x) = x3 + 5 the function (fog)-1 (x) is equal to 

Detailed Solution for Business Mathematics Mock Test - 3 - Question 21

Business Mathematics Mock Test - 3 - Question 22

A function f such that f (a) = f"(a) =  ........... f2n (a) = 0 and f has a local maximum value b at x = a, if f(x) is 

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Business Mathematics Mock Test - 3 - Question 23

The solution of (y(1 + x-1) + siny) dx + (x + logx + x cosy) dy = 0 is 

Detailed Solution for Business Mathematics Mock Test - 3 - Question 23

This given equation can be written as

Business Mathematics Mock Test - 3 - Question 24

The post office is to the east of the school while my house is to the south of the school. The market is to the north of the post office. If the distance of the market from the post office is equal to the distance of my house from the school, then in which direction is the market with respect to my school?

Detailed Solution for Business Mathematics Mock Test - 3 - Question 24

Business Mathematics Mock Test - 3 - Question 25

Directions: Read the given information carefully and answer the question given beside: 


Eight people Aarush, Bindu, Chunnu, Divya, Etti, Prithvi, Gopal and Harish live in an eight storey building, but not necessarily in the same order. The lowermost floor is numbered 1 and the topmost floor is numbered 8. 
Aarush lives on an even-numbered floor but not on the floor numbered second or fourth. Only three floors are there between Aarush and Bindu. Only two people live between Chunnu and Etti. Prithvi lives on a floor above Divya. There are equal numbers of floors between the floors on which Etti and Bindu live and between the floors on which Aarush and Etti live. Harish lives immediately below Divya’s floor. Gopal lives immediately below Aarush’s floor.

Q. Prithvi lives on which of the following floors?

Detailed Solution for Business Mathematics Mock Test - 3 - Question 25

Business Mathematics Mock Test - 3 - Question 26

If South-East becomes North, North-East becomes West and so on. What will West become?

Detailed Solution for Business Mathematics Mock Test - 3 - Question 26

Business Mathematics Mock Test - 3 - Question 27

Solve x2+8x-65>0

Detailed Solution for Business Mathematics Mock Test - 3 - Question 27

x2+8x-65>0 ∴x2+13x – 5x – 65>0
∴(x+13)(x-5)>0.
Hence, x>-13 and x>5 (Case I)
or x<-13 and x<5 (Case II)
∴x>5 or x<-13

Business Mathematics Mock Test - 3 - Question 28

If the function f(x) = 2x3 - 9ax2 + 12a2 x + 1, where a> 0, attains its maximum and minimum at p and q respectively such that p2 = q, then a equals

Detailed Solution for Business Mathematics Mock Test - 3 - Question 28

Business Mathematics Mock Test - 3 - Question 29

Seven cities - A, B, C, D, E, F and G are connected as follows. The cities which are connected by one way route are as follows. A to D, C to B, G to C, F to E, E to B, A to F , D to C and A to G. The cities which are connected by two way routes are as follows. C and E; G and F; D and G.
If a person, who has to reach city B, stared his Journey from city F touching the maximum possible number of cities exactly once, then which city he cannot touch? 

Detailed Solution for Business Mathematics Mock Test - 3 - Question 29

Business Mathematics Mock Test - 3 - Question 30

A man walks 5 km toward south and then turns to the right. After walking 3 km he turns to the left and walks 5 km. Now in which direction is he from the starting place?

Detailed Solution for Business Mathematics Mock Test - 3 - Question 30

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