Arithmetic, number systems, percentages, ratios, profit and loss, time and work, algebra, geometry, mensuration, and trigonometry.
In each of the following number series, the wrong number is given, find out that number.
44, 55, 76, 77, 88, 99
55
88
99
77
76
Correct answer
55
In the following number series, the wrong number is given, find out that number.
403, 353, 293, 233, 143, 53
293
233
143
53
353
Correct answer
293
In the following number series, a wrong number is given. Find out the wrong number.
3, 5, 13, 53, 177, 891
3
5
891
177
53
Correct answer
3
In the following number series, a wrong number is given. Find out the wrong number.
18, 19, 23, 31, 48, 73
18
31
73
48
19
Correct answer
18
In the following number series, a wrong number is given. Find out the wrong number.
60, 80, 120, 180, 240, 360
360
240
120
180
60
Correct answer
360
Two persons A and B started a business. If A and B invested their capital in the business for 24 months and 8 months respectively and the ratio of their profit from the business is 21 : 16, then what is the initial capital invested by A if B invested Rs. 32,000?
Rs. 10,000
Rs. 14,000
Rs. 20,000
Rs. 18,000
None of these
Correct answer
Rs. 10,000
The ratio of speed of two trains X and Y is 3 : 2. They start from A and B respectively at the same time. Y took 36 hours to reach A from B. What is the time taken by X to reach B from A?
12 hours
18 hours
20 hours
32 hours
24 hours
Correct answer
12 hours
The length and breadth of a rectangle are 20 meters and 12 meters respectively. If the perimeter of the rectangle is equal to the area of a square(in quantity), then what is the perimeter of the square?
64
32
16
42
None of these
Correct answer
64
The cost price of an article is Rs.450 and marked price of an article is approx. 33.33% above the cost price of an article. If there is a discount given on an article is 5% then what will be the profit percentage on the article?
23.3%
21.1%
25.5%
26.6%
24.4%
Correct answer
23.3%
If a boat goes 14 km upstream in 84 minutes and the speed of the stream is 6 km / h then what will be the speed of the boat in still water?
16 km / h
22 km / h
18 km / h
12 km / h
None of the above
Correct answer
16 km / h
What will come in place of question mark ‘?’ in the following question?
60% of 80 ÷ 16 × 30% of 70 = ?
60
61
62
63
65
Correct answer
60
What will come in the place of the question mark ‘?’ in the following question?
√144 + 12 – 96 + √289 + 144 = ?
31
89
62
44
None of these
Correct answer
31
What will come in the place of the question mark ‘?’ in the following question?
11 × 66 – 21 × 22 + 91 × 19 = ?
1993
1994
1995
1996
None of these
Correct answer
1993
What value should come in place of question mark(?) in the question?
[(130)2 ÷ 25 × 15] ÷ 30 = ?
352
314
326
338
426
Correct answer
352
What will come in place of question mark(?) in the following questions?
? = (7/5) of 55 + (3/8) of 1376 − 52
568
506
554
550
571
Correct answer
568
What will come in place of the question mark (?) in the following question?
18% of 27 + 2% of 207 = (?)2
4
6
5
3
2
Correct answer
4
What should come in the place of (?) in the following question
√1296 - √576 = √? + 3 × 2
12
14
17
9
None of these
Correct answer
12
What will come in the place of the question mark ‘?’ in the following question?
(608.40 × ?) ÷ 225 + 37 = 375
114
125
157
168
135
Correct answer
114
What will come in place of question mark (?) in the following question?
\(2\frac{1}{2}; + 3\frac{{1;}}{4}; + ;?; + ;2\frac{1}{3} = 13\frac{5}{{12}}\)
\(5\frac{1}{3}\)
\(3\frac{1}{3}\)
\(6\frac{1}{3}\)
\(4\frac{1}{3}\)
none of these
Correct answer
\(5\frac{1}{3}\)
What will come in the place of the question mark ‘?’ in the following question?
7 × 1.5 ÷ 4 – 2.8 × 0.5 = ?
49/40
49/30
48/40
49/50
49/45
Correct answer
49/40
Solving previous year questions by topic helps identify recurring concepts, question patterns, and frequently asked sub-topics. Attempt each question, review the step-by-step explanation, and note down key formulas or facts for quick revision before the exam.