Olete.in – MCQs, Mock Tests & Government Job Prep | Mathematics Math MCQ Question and answer

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

✅ Correct Answer: 1

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

1. 65
2. 75
3. 33
4. 60

✅ Correct Answer: 3

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

1. 32
2. 20
3. 14
4. 45

✅ Correct Answer: 2

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

1. -2
2. 2
3. 0
4. 6

✅ Correct Answer: 4

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

1. -4
2. -1
3. 1
4. 6

✅ Correct Answer: 4

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

1. 1?3
2. 2?3
3. 1
4. 2

✅ Correct Answer: 3

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

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 2

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

1. 3
2. 4
3. 5
4. 9

✅ Correct Answer: 2

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

✅ Correct Answer: 4

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

✅ Correct Answer: 4

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

✅ Correct Answer: 4

If x<="" td="">

1. y+z < 2x
2. x+y < z
3. x-y < y-z
4. x+y < 2z

✅ Correct Answer: 1

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

1. 6p < 8q
2. 9q > 11r
3. 12r > 12p
4. none

✅ Correct Answer: 3

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

✅ Correct Answer: 3

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

1. 13
2. 11
3. 15
4. 16

✅ Correct Answer: 4

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

1. -12
2. -13
3. -14
4. -15

✅ Correct Answer: 3

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

1. 20
2. 60
3. 400
4. 40

✅ Correct Answer: 4

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

1. 1?14
2. 2?7
3. 3?7
4. 4?15

✅ Correct Answer: 2

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

1. 14d2+8
2. 13d2+5d-8
3. 8d-8
4. 13d2+5d+8

✅ Correct Answer: 4

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

1. 6
2. -5
3. both
4. none

✅ Correct Answer: 3

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

1. a20+c4
2. 0
3. a10+c2
4. ?4a10c2

✅ Correct Answer: 4

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

1. 15
2. 25
3. 23
4. 13

✅ Correct Answer: 3

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

1. x > -4
2. x < 4
3. x < -4
4. ?4 < x < 4

✅ Correct Answer: 4

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

1. y ? -4
2. y < -2
3. y ? + 1
4. y ? 5

✅ Correct Answer: 4

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

1. 11x2-2x
2. 12x2+19+4
3. ?11x2+23x+4
4. ?11x2-18+4

✅ Correct Answer: 3

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

1. L
2. M
3. O
4. ?L

✅ Correct Answer: 4

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

✅ Correct Answer: 3

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

1. 2(x6+y2)
2. 4(x8-y4)
3. 3(x5-y3)
4. 2(x8+y2)

✅ Correct Answer: 4

If 1 = m + mt2 then t =

1. (m-1)/t
2. (1-m)/mt
3. (1+m)/n
4. ?(1-m)/m

✅ Correct Answer: 4

The binomial x2-30 is exactly divisible by

1. x+5
2. x-3
3. x-5
4. x+1

✅ Correct Answer: 1

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

✅ Correct Answer: 4

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

1. a/c
2. a/b
3. b/a
4. c/a

✅ Correct Answer: 4

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

1. 10 z
2. 12 z
3. 15 z
4. 18 z

✅ Correct Answer: 2

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

1. ?6/(m+1)
2. 6/(1-m)
3. 6/(m-1)
4. 0

✅ Correct Answer: 4

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)

✅ Correct Answer: 1

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

1. 1?9
2. 5?36
3. 36?5
4. 9

✅ Correct Answer: 2

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)

✅ Correct Answer: 4

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)

✅ Correct Answer: 3

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

✅ Correct Answer: 2

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

✅ Correct Answer: 3

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

✅ Correct Answer: 1

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

✅ Correct Answer: 4

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

✅ Correct Answer: 2

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

✅ Correct Answer: 3

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

1. 20
2. 10
3. 25
4. 30

✅ Correct Answer: 1

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

✅ Correct Answer: 4

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

✅ Correct Answer: 3

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

✅ Correct Answer: 1

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

✅ Correct Answer: 4

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

✅ Correct Answer: 4

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