Monday, January 31, 2011

RRB SOLVED PAPERS:

MATHEMATICS:


1.      (9321 + 5406 + 1001) ÷ (498 + 929 + 660) = ?
A.    13.5
B.     4.5
C.     16.5
D.    7.5
Ans : (D)

2.      561204 ×58 = ? ×55555
A.    606
B.     646
C.     586
D.    716
Ans : (C)

3.      The difference between the greatest number and the smallest number of 5 digits 0, 1, 2, 3, 4 using all but once is—
A.    32976
B.     32679
C.     32769
D.    None of these
Ans : (A)

4.      Area of a parallelogram whose base is 9 cm and height 4 cm is ……… sq cm.
A.    9
B.     4
C.     36
D.    13
Ans : (C)

5.      The number which is neither prime nor composite is—
A.    0
B.     1
C.     3
D.    2
Ans : (B)

6.      The length of a room is three times its breadth. If the perimeter of the room is 64 cm, then its breadth is ……… cm.
A.    64
B.     32
C.     16
D.    8
Ans : (D)

7.      Aditi read 4/5th of Tintin comic book which has 100 pages. How many pages of the book is not yet read by Aditi ?
A.    40
B.     60
C.     80
D.    20
Ans : (D)

8.      A box contains coins (equal no. of every one) of rupee and half rupee, coins of 25 paise, 10 paise, 5 paise value, 2 paise value and one paise value. The total value of coins in the box is Rs. 1158. Find the number of coins of each value.
A.    500
B.     400
C.     700
D.    600
Ans : (D)

9.      The area of a rhombus with diagonals 12 cm and 20 cm is ……… sq cm.
A.    120
B.     12
C.     20
D.    240
Ans : (A)

10.  A piece of road is one kilometer in length. We have to supply lamp posts. One post at each end, distance between two consecutive lamp posts is 25 metres. The number of lamp posts required is—
A.    41
B.     51
C.     61
D.    42
Ans : (A)

11.  There are 800 students in a class. On one particular day, if 1/10th of the students were absent, how many students were present ?
A.    700
B.     650
C.     720
D.    750
Ans : (C)

12.  The quotient in a division is 403. The divisor is 100 and the remainder is 58, the dividend is—
A.    40458
B.     34058
C.     43058
D.    40358
Ans : (D)

13.  A labourer was engaged for 25 days on the condition that for every day, he works, he will be paid Rs. 2 and for every day, he is absent he will be fined 50p. If he receives only Rs. 37•50, find the no. of days he was absent—
A.    5
B.     6
C.     7
D.    4
Ans : (A)

14.  Digits of first place and third place are interchanged of the numbers 349, 483, 766, 598, 674 and then the new numbers are arranged in ascending order. Which would be the fourth number ?
A.    483
B.     766
C.     674
D.    598
Ans : (D)

15.  What least number should be added to 2600 to make it a complete square ?
A.    3
B.     9
C.     1
D.    25
Ans : (C)

16.  If (78)2 is subtracted from the square of a number, we get 6460. What is that number ?
A.    109
B.     112
C.     111
D.    115
Ans : (B)

17.  The difference between 28% and 42% of a number is 210. What is 59% of this number ?
A.    900
B.     420
C.     885
D.    None of these
Ans : (C)

18.  The least perfect square number which is divisible by 3, 4, 5, 6 and 8 is
A.  900
B.  1600
C.  2500
D.  3600
Ans: D

19.  A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes are equal. What is the total number of notes ?
A.  60
B.  90
C.  75
D.  45
Ans: B

20.  In an organization, 40% of the employees are matriculates, 50% of the remaining are graduates and remaining 180 are post-graduates. How many employees are graduates ?
A.  360
B.  240
C.  180
D.  300
Ans: C


1 comment: