(a10-c2)2 - (a10+c2)2 =

1.a20+c4

2.0

3.a10+c2

4.?4a10c2

**Posted Date**:-2021-09-19 19:52:35

(x+4)(x-5) = 10 then x is?

1.6

2.-5

3.both

4.none

**Posted Date**:-2021-09-19 19:52:35

(x4+y)2+(x4-y)2=

1.2(x6+y2)

2.4(x8-y4)

3.3(x5-y3)

4.2(x8+y2)

**Posted Date**:-2021-09-19 19:52:35

21d2 - 7d + 8 - 4d (2d-3) =

1.14d2+8

2.13d2+5d-8

3.8d-8

4.13d2+5d+8

**Posted Date**:-2021-09-19 19:52:35

7x2-4x+4-9x(2x-3)

1.11x2-2x

2.12x2+19+4

3.?11x2+23x+4

4.?11x2-18+4

**Posted Date**:-2021-09-19 19:52:35

Ahmar works twice as fast as Bina. If Bina can complete a work in 30 days the number of days taken by Ahmar and Bina to complete the work working together is

1.16 days

2.24 days

3.20 days

4.10 days

**Posted Date**:-2021-09-19 19:52:35

Alia can complete an assignment in 5 days and Babar can complete the same assignment is 20 days. The time taken by both Alia and Babar to complete the assignment working together is

1.3 days

2.5 days

3.4 days

4.2 days

**Posted Date**:-2021-09-19 19:52:35

An inlet pipe can fill a tank in 10 hrs and an outlet pipe empties the same full tank in 20 hrs. The time required to fill the tank when both pipes are opened.

1.10

2.20

3.30

4.35

**Posted Date**:-2021-09-19 19:52:35

Asghar can do a job in 60 days. And both Asghar and Babar can do the same job in 20 days working together. Babar alonge can do the some job in

1.30 days

2.60 days

3.28 days

4.45 days

**Posted Date**:-2021-09-19 19:52:35

If -7<a<y<="" td=""></a

1.13

2.11

3.15

4.16

**Posted Date**:-2021-09-19 19:52:35

If 0 < a < b < 1 which of the following is (are) true I- a-b is negative II- 1/ab is positive III- 1/b-1/a is positive

1.I only

2.II only

3.III only

4.I II & III

**Posted Date**:-2021-09-19 19:52:35

If 1 = m + mt2 then t =

1.(m-1)/t

2.(1-m)/mt

3.(1+m)/n

4.?(1-m)/m

**Posted Date**:-2021-09-19 19:52:35

If 1 ? -m then (12-m2)/(1+m) = 23 then 1-m =

1.15

2.25

3.23

4.13

**Posted Date**:-2021-09-19 19:52:35

If 2x+y=10 and x+y=7 then y = ?

1.3

2.4

3.5

4.9

**Posted Date**:-2021-09-19 19:52:35

If 2y-5x=5 what is the smallest integral value of x for which y>100?

1.32

2.20

3.14

4.45

**Posted Date**:-2021-09-19 19:52:35

If 3212=4a-3 what is the value of a?

1.65

2.75

3.33

4.60

**Posted Date**:-2021-09-19 19:52:35

If 3x+y=10 and x+y=6 then x = ?

1.1

2.2

3.3

4.4

**Posted Date**:-2021-09-19 19:52:35

If 6x = 2y = 3z then 9x + 5y =

1.10 z

2.12 z

3.15 z

4.18 z

**Posted Date**:-2021-09-19 19:52:35

If a = 2b 3b=4c and 5c=6a-7 what is the value of c?

1.7?11

2.16

3.8?2

4.1?4

**Posted Date**:-2021-09-19 19:52:35

If a ? -b (a2-b2)/(a-b) = 40 then a+b =

1.20

2.60

3.400

4.40

**Posted Date**:-2021-09-19 19:52:35

If A can do a job in 10 days another person B can do the same job in 20 days then time required to do the job when both of them working todether.

1.1?30

2.3?20

3.1?10

4.20?3

**Posted Date**:-2021-09-19 19:52:35

If A can do a piece of work in 10 days then part of work done by him in one day.

1.2?5

2.3?8

3.1?10

4.3?7

**Posted Date**:-2021-09-19 19:52:35

If a<b<c<="" td=""></b<c

1.a/c

2.a/b

3.b/a

4.c/a

**Posted Date**:-2021-09-19 19:52:35

If a-8 = 10 - 2a then a = ?

1.-2

2.2

3.0

4.6

**Posted Date**:-2021-09-19 19:52:35

If an inlet pipe fills a tank in 10 hrs and another inlet pipe fills the same tank in 5 hrs then time required to fill the tank when both pipes are opened.

1.10?3

2.3?10

3.1?3

4.3

**Posted Date**:-2021-09-19 19:52:35

If an inlet pipe fills a tank in 10 hrs then part of tank filled in 1 hr.

1.1?5

2.1?10

3.1?15

4.1?8

**Posted Date**:-2021-09-19 19:52:35

If an outlet pipe empties a full tank in 20 hrs then part of tank emptied in one hour.

1.3?20

2.2?5

3.1?10

4.1?20

**Posted Date**:-2021-09-19 19:52:35

If As 1 days work = 1/20 then time required to finish the job (in days)

1.20

2.10

3.25

4.30

**Posted Date**:-2021-09-19 19:52:35

If L#N then (LM-LN)/(N-M)=

1.L

2.M

3.O

4.?L

**Posted Date**:-2021-09-19 19:52:35

If m > 1 and mn + 3 = 3-n then n =

1.?6/(m+1)

2.6/(1-m)

3.6/(m-1)

4.0

**Posted Date**:-2021-09-19 19:52:35

If n = 4 and m = 7 then 1/n + 1/nm

1.1?14

2.2?7

3.3?7

4.4?15

**Posted Date**:-2021-09-19 19:52:35

If p-11 -2p=13-5p then p=?

1.-4

2.-1

3.1

4.6

**Posted Date**:-2021-09-19 19:52:35

If part of tank filled in one hour = 1/10 then time required to fill the tank.

1.8

2.12

3.10

4.15

**Posted Date**:-2021-09-19 19:52:35

If r ? -s and a = (r-s) / (r+s) +1 then a + 1=

1.2r / (r+s) + 1

2.(r-s+1) / (r +s)

3.(2r-2s) / (r+s)

4.2s / (r+s)

**Posted Date**:-2021-09-19 19:52:35

If x > 1 and a / b = 1 - 1 / x then b/a =

1.x

2.x - 1

3.x ?1/x

4.x/(x-1)

**Posted Date**:-2021-09-19 19:52:35

If x = 2 and y = 3 then (1 / x + 1 / y) / (xy) =

1.1?9

2.5?36

3.36?5

4.9

**Posted Date**:-2021-09-19 19:52:35

If x and y are negative and z is positive which of the following is (are) true I- x-y<="" y="" iii-="" 1="" z<="" td="">

1.I only

2.II only

3.III only

4.I & II only

**Posted Date**:-2021-09-19 19:52:35

If x is an even integer and 4x < 64 and 3x > 24 then x can be equal to

1.15

2.8

3.16

4.14

**Posted Date**:-2021-09-19 19:52:35

If x>y>z which of the following cannot be true.

1.y+z < x

2.2x > y+z

3.2z > x+y

4.none

**Posted Date**:-2021-09-19 19:52:35

If x<="" td="">

1.y+z < 2x

2.x+y < z

3.x-y < y-z

4.x+y < 2z

**Posted Date**:-2021-09-19 19:52:35

If x/2+x/3=1/2+1/3 then x = ?

1.1?3

2.2?3

3.1

4.2

**Posted Date**:-2021-09-19 19:52:35

If x2 -16<0 which of the following must be true.

1.x > -4

2.x < 4

3.x < -4

4.?4 < x < 4

**Posted Date**:-2021-09-19 19:52:35

If x2+3x+2 = 0 then which of the following are possible values of x? I- 1 II- (-1) III- (-2)

1.I only

2.II only

3.III only

4.II and III only

**Posted Date**:-2021-09-19 19:52:35

If y2-25<0 which of the following cannot be true.

1.y ? -4

2.y < -2

3.y ? + 1

4.y ? 5

**Posted Date**:-2021-09-19 19:52:35

In the above question what is the minimum integral value of y+x.

1.-12

2.-13

3.-14

4.-15

**Posted Date**:-2021-09-19 19:52:35

p<q<="" td=""></q

1.6p < 8q

2.9q > 11r

3.12r > 12p

4.none

**Posted Date**:-2021-09-19 19:52:35

The binomial x2-30 is exactly divisible by

1.x+5

2.x-3

3.x-5

4.x+1

**Posted Date**:-2021-09-19 19:52:35

Which of the following is equivalent to 9x2-6x-3

1.(9x-3)(x-1)

2.(3x+1)2

3.(9x+3)(x-1)

4.(3x-1)2

**Posted Date**:-2021-09-19 19:52:35

Which of the following is equivalent to : 3x2 + 18x + 27

1.3 (x2 + 6x +3)

2.3(x+3)(x+6)

3.3(x+3)2

4.3x (x+6+9)

**Posted Date**:-2021-09-19 19:52:35

X can do a job in 16 days Y can do the same job in 20 days X Y and Z can do the job in 7.5 days. Alone Z can do the same job in

1.100 days

2.120 days

3.80 days

4.48 days

**Posted Date**:-2021-09-19 19:52:35

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