RRB Group D|Mathematics

 Mathematics

1. A company offered its 350 employees a bonus of Rs 10 to each male and Rs 8.15 to each female. All the females accepted but a certain percentage of males refused to accept. The total bonus paid was independent of the number of males. What was the total amount paid to the females (in rupees)?

1. 1672.50

2. 1222.50

3. 2852.50

4. None of these

Answer : Option 2

 

 

2. Ram bought ‘a’ flowers for ‘b’ rupees, where ‘a’ and ‘b’ are integers. If he had bought 10 more flowers he would have got all for Rs. 2 and saved 80 paisa a dozen. What are the respective vales of ‘a’ and ‘b’?

1. 5,1

2. 4,2

3. 3,2

4. 6,1

Answer : Option 1

 

3. The integers 49966 and 52231 when divided by a three digit number ‘n’ give the same remainder. What is the value of n?

1. 367

2. 453

3. 462

4. 298

Answer : Option 2

 

4. The HCF of two numbers is 21 and their LCM is 4641. If one of the numbers is between 200 and 300, find the other number.

1. 221

2. 273

3. 357

4. 441

Answer : Option 3

 

 

5. What is the least number of digits in the number formed from only zeroes and ones such that the number is divisible by 225?

1. 4

2. 9

3. 11

4. 7

Answer : Option 3