# Mathematics Question and Answers – Maths Question

**Q. 1 What is the average of the numbers ; 0, 0, 4, 10, 5 and 5 ?**

(A) 2**(B) 4**(C) 5

(D) 3

**Answers**

**: (B) 4**

**Q. 2 What is the highest common factor of the numbers 30 and 132?**

**(A) 6**(B) 4

(C) 8

(D) 10

**Answers :**

**(A) 6**

**Q. 3 Sum of three consecutive integers is 51. The middle one is :**

(A) 15

(B) 14

(C) 16**(D) 17Answers: (D) 17 **

**Q. 4 Which number is the equivalent to 3^(4)/3^(2)?**

(A) 8**(B) 9**(C) 4

(D) 10

**Answers:**

**(B) 9****Q 5. The average of 35, 45 and x is equal to five more then twice x. Find x. **

(A) 20

(B) 16**(C) 13**(D) 11

**Answers:**

**(C) 13****Q. 6 What is next in the following number series: 256, 289, 324, 361 . . . ?**

(A) 800**(B) 400**(C) 600

(D) 200

**Answers:**

**(B) 400****Q. 7 What is the average of first 150 natural numbers?**

**(A) 75.5**(B) 75

(C) 90.5

(D) 85

**Answers:**

**(A) 75.5****Q. 8 At a Christmas party, everyone shook hands with everyone else. There were a total of 66 handshakes that happened during the party. How many people were present?**

(A) 14**(B) 16**(C) 12

(D) 10

**Answers:**

**(B) 16****Q. 9. The difference in the measures of two supplementary angles is 102°. Find the two angles.**

**(A) 78**(B) 98

(C) 68

(D) 76

**Answers:**

**(A) 78****Q. 10 20% of 20% of 100 is:**

(A) 5**(B) 4**(C) 80

(D) 20

**Answers:**

**(B) 4****Q. 11 The average of three odd successive numbers is equal to 129. What is the largest of the three numbers ?**

(A) 125

(B) 122**(C) 131**(D) 125

**Answers:**

**(C) 131****Q. 12 Two numbers are such that one number is 42 more that the second number and their a average is equal to 40. What are two numbers ?**

(A) 50, 130

(B) 76, 15

(C) 60, 20 **(D) 61, 19Answers: (D) 61, 19 **

**Q. 13 Which is greater than 4?**

(A) -5**(B) 5**(C) 1/2

(D) -25

**Answers: (B) 5**

**Q. 14 A car is traveling at the rate of 75 kilometers per hour. How many meters is the car traveling in one minute?**

(A) 1350 meters per minute.

(B) 1450 meters per minute.**(C) 1250 meters per minute.**(D) 1150 meters per minute.

**Answers:**

**(C) 1250 meters per minute.****Q. 15 Solve the following equation: -15 + (-5x)=0.**

(A) 3

(B) -2**(C) -3**(D) -4

**Answers:**

**(C) -3****Q. 16 Multiply : (x – 4 ) ( x + 5 )**

(A) x² + 5x – 20

(B) x² +4x – 20

(C) x² + x – 20**(D) x² + x – 20Answers: (D) x² + x – 20 **

**Q. 17 8 is 1/3 of which number?**

(A) 6400**(B) 2400**(C) 2800

(D) 4000

**Answers:**

**(B) 2400****Q. 18 Combine terms: 12a + 26b -4b – 16a.**

(A) -28a + 30b,

(B) 4a + 22b,**(C) -4a + 22b,**(D) 28a + 30b.

**Answers:**

**(C) -4a + 22b,****Q. 19 What does 6 raise to the power of 0 equal?**

**(A) 1**(B) 2

(C) 3

(D) 4

**Answers**

**(A) 1****Q. 20 Solve for x: 2x – y = (3/4)x + 6.**

(A) (y + 6),

(B) (y + 6)/5,

(C) 4(y + 6)/5,**(D) 4(y – 6)/5Answers: (D) 4(y – 6)/5 **

**Q. 21 The number, whose 7% is 42, is**

(A) 200

(B) 300**(C) 600**(D) 500

**Answers:**

**(C) 600****Q. 22 What will be 60% of a number, whose 80% is 320.**

(A) 450

(B) 250

(C) 400**(D) 240Answers: (D) 240 **

**Q. 23 How many vertices are present on a cube?**

(A) 6

(B) 10**(C) 8**(D) 4

**Answers:**

**(C) 8****Q. 24 Factor: 3y(x – 3) -2(x – 3).**

(A) 3y(x – 3).

(B) (x – 3)(x – 3),

(C) (x – 3)2,**(D) (x – 3)(3y – 2),Answers: (D) (x – 3)(3y – 2), **

**Q. 25 What percent pf 10/3 is 5/3.**

**(A) 50**(B) 40

(C) 30

(D) 20

**Answers:**

**(A) 50****Q. 26 Adding the numbers between 1 to 100 consecutively (1+2+3+4+…) gives you what final answer?**

(A) 2020**(B) 5050**(C) 4040

(D) 5505

**Answers:**

**(B) 5050****Q. 27 What was the original price of a radio that sold for $70 during a 20% off sale?**

(A) $87.50

(B) $92**(C) $84**(D) $56

**Answers:**

**(C) $84****Q. 28 What is the place value of 2 in 6234567?**

(A) 2000

(B) 20000

(C) 200**(D) 200000Answers: (D) 200000 **

**Q. 29 if 60% of x is 1200, then the value of x is .**

(A) 1000

(B) 3000**(C) 2000**(D) 4000

**Answers:**

**(C) 2000****Q. 30 The area of a right-angled isosceles triangle having hypotenuse 16√2 cm is**

**(A) 128 cm ^{2}**(B) 110 cm

^{2}

(C)144 cm

^{2}

(D) 155 cm

^{2}

**Answers:**

**(A) 128 cm**^{2}**Q. 31 10 million = …… lakhs.**

(A) 1 lakh

(B) 10 lakh**(C)100 lakh**(D) 1000 lakh

**Answers:**

**(C)100 lakh****Q. 32 A man walking at the rate of 5 km/hr. crosses a bridge in 15 minutes. The length of the bridge (in metres) is :**

(A) 750**(B) 1250**(C) 1350

(D) 1450

**Answers:**

**(B) 1250****Q. 33 When (2 ^{24} – 1) is divided by 7 , the remainder is:**

(A) 2

(B) 1

(C) 3**(D) 0Answers: (D) 0 **

**Q. 34 What is the greatest five-digit number that is completely divisible by 8, 15, 16, 21 and 5 ?**

**(A) 99120**(B) 92650

(C) 99220

(D) 95760

**Answers:**

**(A) 99120****Q. 35 The sum of two numbers is 36 and their H.C.F and L.C.M. are 3 and 105 respectively. The sum of the reciprocals of two numbers is**

**(A) 3/25**(B) 2/25

(C) 4/25

(D) 5/25

**Answers:**

**(A) 3/25****Q. 36 A speed of 30.6 km/.hr is the same as**

(A) 9 m/sec**(B) 8.5 m/sec**(C) 10 m/sec

(D) 12 m/sec

**Answers:**

**(B) 8.5 m/sec****Q. 37 The sum of two numbers is 75 and their difference is 25. The product of the two number is ?**

(A) 1325

(B) 1225**(C) 1250**(D) 1350

**Answers:**

**(C) 1250****Q. 38 I have x marbles. My elder brother has 3 more than mine, while my younger brother has 3 less than mine. If the total number of marbles is 15, then the number of marbles that I have is ?**

(A) 7

(B) 8

(C) 6**(D) 5Answers: (D) 5 **

**Q. 39 A number when divided by 136 leaves remainder 36. If the same number is divided by 17, then the remainder will be ?**

(A) 7

(B) 9

(C) 4**(D) 2Answers: (D) 2 **

**Q. 40 One dozen notebooks quoted at 125 are available at 20% discount. How many notebooks can be bought for 75 ?**

(A) 8

(B) 10

(C) 6**(D) 9Answers: (D) 9 **

**Q. 41 When n is divided by 6, the remainder is 4. When 2n is divided by 6, the remainder is**

(A) 1**(B) 2**(C) 0

(D) 3

**Answers:**

**(B) 2****Q. 42 A tree increases annually by 1/8th of its height. By how much will it increase after 2 years, if it stands 64 cm high today?**

**(A) 81 cm**(B) 72 cm

(C) 82 cm

(D) 80 cm

**Answers:**

**(A) 81 cm****Q. 43 A train is moving with the speed of 180 km/hr. Its speed (in metres per second) is :**

(A) 45**(B) 50**(C) 40

(D) 5

**Answers:**

**(B) 50****Q. 44 Gautam goes to office at a speed of 12 kmph and returns home at 10 kmph. His average speed is :**

(A) 22 kmph**(B) 10.9 kmph**(C) 11 kmph

(D) 12.50 kmph

**Answers:**

**(B) 10.9 kmph****Q. 45 A train running at the speed of 84 km/hr passes a man walking in opposite direction at the speed of 6 km/hr in 4 seconds. What is the length of train (in metre) ?**

(A) 155

(B) 120**(C) 100**(D) 145

**Answers:**

**(C) 100****Q. 46 A train 300 metres long is running at a speed of 25 metres per second. It will cross a bridge of 200 metres in**

(A) 5 seconds**(B) 20 seconds**(C) 10 seconds

(D) 22 seconds

**Answers:**

**(B) 20 seconds****Q. 47 In an office, there are 108 tables and 132 chairs. If 1/6 of the tables and 1/4 of the chairs are broken. How many people can work in the office if each person requires one table and one chair?**

(A) 99**(B) 90**(C) 97

(D) 92

**Answers:**

**(B) 90****Q. 48 The difference between the greatest and the least prime numbers which are less than 100 is ?**

**(A) 95**(B) 97

(C) 99

(D) 92

**Answers:**

**(A) 95****Q. 49 From a point in the interior of an equilateral triangle, the length of the perpendiculars to the three sides are 6 cm, 8 cm and 10 cm respectively. The area of the triangle is.**

**(A) 192√3 cm ^{2}**(B) 192

**cm**

^{2}

(C) 48cm

^{2}

(D) 48cm

^{2}

**Answers:**

**(A) 192√3 cm**^{2}**Q. 50 By selling an article for Rs. 200 shopkeeper loses 20%. What is cost price of the article?**

(A) 250

(B) 225

(C) 220**(D) 240Answers: (D) 240 **