RRB JE Mock Test 2019

1. I multiplied a natural number by 18 and another by 21 and added the products. Which one of the following could be the sum?        (1)

1. 1. 2007
2. 2. 2008
3. 3. 2006
4. 4. 2002

2. Out of six consecutive natural numbers, if the sum of first three is 27, what is the sum of the other three ?     (1)

1. 1. 36
2. 2. 35
3. 3. 25
4. 4. 24

3. Which one of the following is a factor of the sum of first 25 natural numbers ?     (3)

1. 1. 26
2. 2. 24
3. 3. 13
4. 4. 12

4. The sum of all the natural numbers from 51 to 100 is        (4)

1. 1. 5050
2. 2. 4275
3. 3. 4025
4. 4. 3775

5. The unit digit in the sum of (124)³⁷⁶+(124)³⁷⁵ is         (4)

1. 1. 5
2. 2. 4
3. 3. 2
4. 4. 0