# (Papers) RRB Group D : Exam Paper & Answer Key Set-1 (Mathematics)

## (Papers) RRB Group D : Exam Paper & Answer Key Set-1

## (Mathematics)

**76. If a sum of money at simple interest doubles in 12 years, the rate of interest per annum is**

**77. 0.6 of a number is equal to 0.08 of another number. The ratio of the numbers will be**

(a) 3 : 4

(b) 4 : 3

(c) 2 : 15

(d) 2 : 9

**78.1/5 of a number exceeds 1/7 of the same number by 10. The number is :**

(a) 125

(b) 150

(c) 175

(d) 200

**79. A boys was asked to find the value of 3/8 of a sum of money. Instead of multiplying the sum by3/8 he divided it by 3/8 and then his answer exceeded by Rs. 55. Find the correct answer?**

(a) Rs. 9

(b) Rs. 24

(c) Rs. 64

(d) Rs. 1,320

**80. The sum of three consecutive odd natural numbers each divisible by 3 is 72. What is the largest among them?**

(a) 21

(b) 24

(c) 27

(d) 36

**81. If *381 is divisible by 11, then the digit at tae place of *is**

(a) 0

(b) 1

(c) 4

(d) 7

**82. By which smallest number should 5808 be multiplied so that it becomes a perfect square?**

(a) 2

(b) 7

(c) 11

(d) 3

**83. The least number which when divided by 4, 6, 8, 12 and 16 leaves a remainder of 2 in each case is**

(a) 46

(b) 48

(c) 50

(d) 56

**84. Sum of two numbers is 40 and their product is 375. What will be the sum of their reciprocals?**

(a)8/75

(b) 1/40

(c)75/8

(d) 75/4

**85. The product of the LCM and HCF of two numbers is 24.The difference of the two numbers is 2. Find the numbers ?**

(a) 8 and 6

(b) 8 and 10

(c) 2 and 4

(d) 6 and 4

**Click Here to Download PDF**

## RRB Group-D Exam Study Kit

## रेलवे भर्ती बोर्ड Group-D परीक्षा अध्ययन सामग्री

## RRB Group-D Exam Online Tests Series

**86. In a class 3/5 of the students are girls and rest are boys. If 2/9 of the girls and 1/4 of the boys are absent. What part of the total number of students are present?**

(a) 23/30

(b) 23/36

(c) 18/49

(d) 17/25

**87. Two numbers differ by 5. If their product is 336, the sum of the two numbers is**

(a) 21

(b) 28

(c) 37

(d) 51

**88. The maximum number of students among whom 1001 pens and 910 pencils can be distributed in such a way that each student gets same number of pens and. same number of pencils, is:**

(a) 91

(b) 910

(c) 1001

(d) 1911

**89. Unit digit in (264)102 + (264)103 is:**

(a) 0

(b) 4

(c) 6

(d) 8

**90. Which one of the following is the least? 3 3 3 , 2, 2 and 4**

(a) 2

(b) 3 4

(c) 3

(d) 3 2

(a) 1,200

(b) 2,400

(c) 3,000

(d) 3,200

**92. If 80% of A = 50% of B and B = x% of A, then the value of x is:**

(a) 400 (b) 300

(c) 160 (d) 150

**93. If x is 80% of y, what percent of x is y?**

(a) 75% (b) 80%

(c) 100% (d) 125%

**94. In a town, the population was 8000. In one year, male population increased by 10% and female population increased by 8% but the total population increased by 9%. The number of males in the town was**

(a) 4000 (b) 4500

(c) 5000 (d) 6000

**95. In an examination, there were 1000 boys and 800 girls.60% of the boys and 50% of the girls passed. Find the percent of the candidates failed?**

(a) 46.4

(b) 48.4

(c) 44.4

(d) 49.6

**96. If A exceeds B by 40%, B is less than C by 20%, then A C is,:**

(a) 28 : 25

(b) 26 : 25

(c) 3 : 2

(d) 3 : 1

**97. Price of sugar rises by 20%. By how much percent should the consumption of sugar be reduced so that the expenditure does not change?**

**98. In a school 70% of the students are girls. The number of boys are 510. Then the total number of students in the school is**

(a) 850

(b) 1700

(c) 1830

(d) 1900

**99. Applied to a bill for Rs. 1,00,000 the difference between a discount of 40% and two successive discounts of 36% and 4% is**

(a) Nil

(b) Rs. 1,440

(c) Rs. 2,500

(d) Rs. 4,000

**100. A tradesman marks his goods 10% above his cost price. If he allows his customers 10% discount on the marked price, how much profit or loss does he make, if any?**

(a) 1% gain

(b) 1% loss

(c) 5% gain

(d) No gain, no loss