Question Bank
SECL Dumper Operator Exam - English
Duration: 120 · Questions: 80 · Max Marks: 80 · Language: 3
Aptitude Test
1
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
2
Which of the following numbers is irrational ?
3
356 x 936 – 356 x 836 = ?
4
Arrange in descending order: 5/8, 7/10, 3/4
5
What is (3^{4} times 9^{2}) ?
6
If 34X-2 = 729, then find the value of X.
7
Convert 0.6 into fraction ?
8
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
9
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
10
If x*y = x2 + y2 – xy, then value of 9*11 is
11
Which is greater ?
12
If sum of two numbers is 42 and their product is 437, then find their difference.
13
Write the 44000 in Roman numerals
14
Convert 0.0909… into fraction ?
15
What is (98 times 102) ?
16
Which is smaller ?
17
Convert 0.5777… into fraction ?
18
Convert 0.81 into fraction ?
19
(63)2 – (12)2 =?
20
Which is greater ?
21
16.928 + 24.7582 
5.015 =?
5.015 =?22
Convert 0.75 into fraction ?
23
Which is greater ?
24
Two numbers are co-prime if their HCF is ?
25
Product of all factors of 10 is ?
26
How many real numbers exist between 2 and 3 ?
27
Which number is divisible by 11 ?
28
What is the unit digit of (7^{245}) ?
29
What is (64^{2/3}) ?
30
What is (125^{1/3}) ?
31
Which of the following is composite ?
32
What is √0.0009 ?
33
What is √1156 ?
34
What is √2025 ?
35
What is (51^2) ?
36
7 8 18 57 ?
37
Last year my age was a perfect square number. Next year it will be a cubic number. What is my Present age ?
38
If a + b = 5, a2 + b2 = 13, the value of a – b (where a > b) is
39
How many factors does 100 have ?
40
If x = a – b, y = b – c, z = c – a, then the numerical value of the algebraic expression x3 + y3 + z3 – 3xyz will be
41
Which number is divisible by 13 ?
42
A number leaves remainder 3 when divided by 5. What remainder when divided by 10 ?
43
What is the unit digit of (9^{101}) ?
44
How many prime numbers are between 10 and 20 ?
45
Which of the following pair is co-prime ?
46
(43)2 + 841 = (?)2 + 1465
47
269 – 122 – 33 = X * 2
48
What is the remainder when 2100 is divided by 3 ?
49
Which of the following is composite ?
50
Chemistry but not in Physics.
51
Physics or Maths but not in Chemistry.
52
What is the percentage of persons who read all the three papers ?
53
What is the percentage of persons who read only two papers?
54
What is the percentage of persons who read only one paper ?
55
What is the percentage of persons who read only A but neither B nor C ?
56
If A and B are any two sets, then what is A á´– (A á´— B) equal to ?
57
40% of the people read newspaper X, 50% read newspaper Y and 10% read both the papers. What percentage of the people read neither newspaper ?
58
The passengers who like only coffee is greater than the passengers who like only lassi by
59
The percentage of passengers who like both tea and lassi but not coffee, is
60
The percentage passengers who like at least 2 of the coffee, tea and lassi, is
61
If the number of passengers is 180, then the number of passengers who like lassi only, is
62
In a town three newspapers A, B and C are published. 42% of the people in that town read A, 68% read B, 51% read C, 30% read A and B, 28% read B and C, 36% A and C and 18% do not read any paper. Find the % of the population of town that reads all the three.
63
What is the ratio of the length of PQ to that of QO?
64
The committee should consist of 2 Males, 2 Females and 1 child ?
65
The committee should include all the 3 Childs?
66
In how many different ways can 4 boys and 3 girls be arranged in a row such that all the boys stand together and all the girls stand together ?
67
If four marbles are drawn at random, what is the probability that two are blue and two are red ?
68
If eight marbles are drawn at random, what is the probability that there are equal number of marbles of each other ?
69
If two marbles are drawn at random, what is the probability that both are red or at least one is red ?
70
If x number of yellow balls from bag B are taken and placed into bag A and 20% of black balls from bag A are taken and placed into in bag B. If we pick one ball from bag B then the probability that the ball is of black color is 
. Then find the value of x ?
. Then find the value of x ?71
If one ball picked at random from each of the bag A and bag B then find the probability that both of the balls are of the same color ?
72
Difference between the number of green balls in bag A and bag C is how much percent more/less than the sum of the number of black balls in bag A and bag C together ?
73
Panas has 15 yellow, pink and white balls in his bag. Number of each balls is different in the bag. Difference between yellow ball and pink ball is same as difference between pink ball and white ball. Probability of selecting one while ball from the bag is greater than 0.2, then number of while balls in the bag can be
(A) 3 (B) 4
(C) 5 (D) 7
(E) 9
(A) 3 (B) 4
(C) 5 (D) 7
(E) 9
74
In a bag which contains 60 pens, there are 27 blue pens and some black and red pens. If two pens are picked up from the bag without replacement, then the probability of the first pen being blue and second being black is 9/59. Find the number of red pens in the bag.
75
What is the total marks obtained by Meera in all the subject ?
76
If the income of Company A in 2002 was Rs. 600 crores, what was its expenditure?
77
If in April the crude oil price had been lesser than the given by Rs 223 per metric tonne then, how much would have been the percentage increase in pricre over the earlier month?
78
The prodution in 2002 is what percent of production in 1996 ?
79
Approximately what is the overall percentage of marks obtained by Q in all the subjects ?