General Formula Solution(MBA-Math)

Evening MBA-DU(22th Batch)

What is the larger root of the equation of x?

1 Mark(s)

-3
3
-4
1
4

Evening MBA-DU(25th Batch)

If one root of the equation 2x²+ 3x-k= 0 is 6, what is the value of k?

1 Mark(s)

10
18
-10
75
90
42

MBM Admission Test 2008

If the operation * is defined by *a=a²– 2 then *(*5)=?

1 Mark(s)

529
621
527
23

Evening MBA-DU(21th Batch)

If x + y = a and x-y = b then 2xy = ?

1 Mark(s)

(a2-b2)/2
(a-b)/2
(ab)/2
(b2-a2)/2
(a2 + b2)/2

Evening MBA-DU(22th Batch)

If x+y= 19 and x-y= 11, then what is the value of 2x² + 2y²?

1 Mark(s)

376
544
515
418
482

MBM Admission Test 2006

If x² = 68, which of the following could be true?

1 Mark(s)

- 8 < x < - 7
- 8 < x < 8
9 < x < 10
- 9 < x < - 8

Evening MBA-DU 2015

If p = 3 + √2 then the value of P²is:

1 Mark(s)

11+6√2
11+3√2
9+√2
11
9+3√2

MBM Admission Test 2006

If x- y = , then xy must be equal to which of the following?

1 Mark(s)

0
None of these
1
y²

Evening MBA-DU(25th Batch)

If xy=144, x+ y=30 and x> y, what is the value of x-y?

1 Mark(s)

22
6
24
18
4

Evening MBA-DU(25th Batch)

If (x²+ 1/x²) =102, the value of (x – 1/x) is:

1 Mark(s)

13
10
8
12
15

Evening MBA-DU(26th Batch)

Which of is true of the mathematical expression √x=6/25-x?

1 Mark(s)

x=1/5
x=1/25
x=36/25
x=-1/25
x=-1/5

Evening MBA-DU(25th Batch)

If , 5y=2y -6, what does y +5 equal?

1 Mark(s)

3
- 3
1
5

Evening MBA (29th Batch) DU

What is the sum of the squares of the roots of the equation x²-2x-3=0?

1 Mark(s)

12
15
8
6
10

Evening MBA-DU(26th Batch)

Simplified form of (x^7/2√y³⁾/(x^5/2)is ----

1 Mark(s)

x⁶/y³
xy
x/y
x²/y²
x²/y

Evening MBA-DU(26th Batch)

Which one is the value of y²/x², if x/y=2/3?

1 Mark(s)

3/2
9/4
4/9
9/2
2/3

Evening MBA-DU(21th Batch)

Which one of the followings is the simplified results of a – {b – (c – d)}?

1 Mark(s)

a + b + c + d
a - b - c + d
a-b-c-d
a-b + c + d
a-b + c-d

MBM Admission Test-2010 (14th Batch)

If R and S are positive integers, each greater than 1 and if 11 × (S-1)=13 × (R – 1), then what is the least possible value of (R – S)?

1 Mark(s)

22
26
24
11

MBM Admission Test 2006

If the sign ‘*’ is defined by *a=a² – 2, then *(*5) =?

1 Mark(s)

23
527
621
529

Evening MBA-DU(27th Batch)

What must be added to 1/x for making it equal to x?

1 Mark(s)

x/x-1
x-1/x+1
x²-1/x
x+1/x-1
x/x²+1

Evening MBA-DU(28th Batch)

if a+b=15 and a-b= 1, then ab=?

1 Mark(s)

12
56
30
20
72

Evening MBA-DU(23th Batch)

If a =2/3 and b=5/7, then find the value of (a+ b)/ (a-b)?

1 Mark(s)

29
-2/3
-29
441
29

Evening MBA-DU(23th Batch)

If x=3/4 then 16x²/9 + 2/9 + 10/16x²= ?

1 Mark(s)

2
0
2(1/3)
-2

Evening MBA-DU(26th Batch)

If the ration of y to x is equal to 3 and the sum of y and x is 8. What is the value of x?

1 Mark(s)

20
40
60
50
10

MBM Admission Test-2010 (14th Batch)

Multiplying which of the following by (5 – 2x)/7 will give a result of -1?

1 Mark(s)

7/(2x-5)
7/(5-2x)
-7/(2x-5)
2x-5/7

IBA MBA 2010-11

Which of the following equals x+xy+(x+xy)y?

1 Mark(s)

2xy(1+y)
x(1+y)²
2x(1+y)+y
x(2+y+y²)
None of these

MBM Admission Test 2006

(2 + ¾)² – (2 – ¼)² = ?

1 Mark(s)

3
9/2
1
37/8

Executive MBA (IBA)-DU, Apr. 2010

If integers x and y are such that 3x+4y=25 and x²+y²= 25, then the value of y

1 Mark(s)

4
-3
none of these
-4
3

Evening MBA (29th Batch) DU

If x+1/x = 3 then what will be the value of x³+1/x³ ?

1 Mark(s)

39
18
26
25
30

Evening MBA-DU(23th Batch)

If a= 105 and a³=21 x 25 x 45 x b, what is the value of b?

1 Mark(s)

42
45
49
54

Evening MBA-DU(26th Batch)

The solution of the equation x²+5x=12-x²is..

1 Mark(s)

-4 or 3/2
-4 or3/2
-4 or 2/4
4 or 3/2

Evening MBA-DU(21th Batch)

What is the difference between 43 + 11 (23 + 18) – 2 – 4 and 43 + (11 x 23 + 11 x 18) – 2 – 4?

1 Mark(s)

5
0
1
2
-2

MBM Admission Test-2010 (14th Batch)

If y = a/(a+b) and x = a/b, then what is y in terms of x?

1 Mark(s)

1(1+x)
1+(1/x)
1+x
x/(1+x)

Evening MBA-DU(27th Batch)

If a+ b = √ 3 and a-b= √ 2 what is the value of 8ab(a²+b²)?

1 Mark(s)

8
9
5
6
7

Evening MBA-DU(25th Batch)

When the expression 8x³ +12x² +10x+c is divided by 2x-3, the remainder is 39. What would be the value of c?

1 Mark(s)

30
40
-30
55

General Formula Solution(MBA-Math) : Question 1 of 34

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