Arithmetic, number systems, percentages, ratios, profit and loss, time and work, algebra, geometry, mensuration, and trigonometry.
In the following number series, a wrong number is given. Find out the wrong number.
20, 22, 28, 42, 70, 134
20
70
22
134
42
Correct answer
20
In each of the following number series, the wrong number is given, find out that number.
5, 7, 11, 19, 36, 67
36
11
67
5
19
Correct answer
36
In the following number series, a wrong number is given. Find out the wrong number.
1, 2, 6, 20, 88, 445
1
445
6
20
88
Correct answer
1
Mohan started a business with Rs 20000. After 4 months, Sachin joined him with Rs 30000. At the beginning of the fifth month, Mohan added Rs 10000. Find the ratio in which the annual profit will be shared.
4 : 3
8 : 7
1 : 1
4 : 6
3 : 2
Correct answer
4 : 3
The perimeter of a square is 48 meters and that of another is 20 meters. What will be the perimeter of the new square whose area is equal to the area of the two squares?
14 m
26 m
34 m
52 m
60 m
Correct answer
14 m
Rs. 4199 is divided between A and B in such a way that after 7 years A'share is equal to B's share after 9 years. If the rate of compound interest is 10% p.a., what is B's share?
5600
1900
3000
2500
1200
Correct answer
5600
A boat travels 8 hours downstream to cover a distance of 147.2 km while other boat travels 84.7 km in 11 hours upstream. Find the sum of speeds of both boats(in km/hr)
25.2
25.5
25.7
26.1
Cannot be determined.
Correct answer
25.2
In a college election, two candidates A and B contested. If in the election 30% votes were declared invalid and A got 1000 votes more than B. Calculate the total votes in the election if votes received by A is 1375.
3000
1500
2500
2200
2800
Correct answer
3000
The price of a pair of shoes is increased by 40% and then two successive discounts of 15% each are allowed. What will be actual profit / loss percentage after selling it?
2% loss
2% profit
1.15% loss
1.15% profit
no change
Correct answer
2% loss
A tank is filled in 2 hours by three pipes A, B, C. The pipe A is thrice as fast as C and C is twice as fast as B. How much time will pipe B alone take to fill the tank?
40 hrs
15 hrs
10 hrs
24 hrs
18 hrs
Correct answer
40 hrs
Directions: Study the following information carefully and answer the questions.
The table below provides the number of males and females in five different villages (A, B, C, D, and E).
| Village | Number of Males | Number of Females |
|---|---|---|
| A | 270 | 180 |
| B | 320 | 240 |
| C | 450 | 300 |
| D | 250 | 350 |
| E | 400 | 280 |
Find the ratio of the total number of people in village B to the total number of people in village D.
11:12
11:14
13:15
15:16
14:15
Correct answer
11:12
Directions: Study the following information carefully and answer the questions.
The table below provides the number of males and females in five different villages (A, B, C, D, and E).
| Village | Number of Males | Number of Females |
|---|---|---|
| A | 270 | 180 |
| B | 320 | 240 |
| C | 450 | 300 |
| D | 250 | 350 |
| E | 400 | 280 |
The number of males in village A is what percentage of the number of females in village E?
85.34%
96.42%
87.56%
90.15%
95.24%
Correct answer
85.34%
Directions: Study the following information carefully and answer the questions.
The table below provides the number of males and females in five different villages (A, B, C, D, and E).
| Village | Number of Males | Number of Females |
|---|---|---|
| A | 270 | 180 |
| B | 320 | 240 |
| C | 450 | 300 |
| D | 250 | 350 |
| E | 400 | 280 |
Find the average number of females across all five villages.
270
265
250
275
280
Correct answer
270
Directions: Study the following information carefully and answer the questions.
The table below provides the number of males and females in five different villages (A, B, C, D, and E).
| Village | Number of Males | Number of Females |
|---|---|---|
| A | 270 | 180 |
| B | 320 | 240 |
| C | 450 | 300 |
| D | 250 | 350 |
| E | 400 | 280 |
In which village is the difference between males and females the second highest?
A
B
C
D
E
Correct answer
A
Directions: Study the following information carefully and answer the questions.
The table below provides the number of males and females in five different villages (A, B, C, D, and E).
| Village | Number of Males | Number of Females |
|---|---|---|
| A | 270 | 180 |
| B | 320 | 240 |
| C | 450 | 300 |
| D | 250 | 350 |
| E | 400 | 280 |
If 20% of the males in Village E migrate to Village A, then what will be the new ratio of males in Village A to males in Village E?
17 : 26
18 : 25
35 : 32
21 : 22
None of these
Correct answer
17 : 26
A and B can fill a tank in 20 and 25 hours respectively. Both are opened simultaneously and after some time B is closed and the tank is filled in 16 hours. Find time for which A works alone.
8
9
10
11
12
Correct answer
8
Average of four numbers is 52. The highest of them is 65 and the average of the highest and the lowest is 51.5. If the difference of other two numbers is 9, then find the larger of these two numbers is.
98
55
48
57
66
Correct answer
98
What will come in the place of the question mark ‘?’ in the following question?
166.67% of 96 - 360 = ? - 70% of 250
10
30
25
Correct answer
10
What will come in the place of the question mark ‘?’ in the following question?
120% of 300 + √5184 = ? × √256
25
24
27
26
None of these.
Correct answer
25
What will come in the place of the question mark ‘?’ in the following question?
60% of 700 = 12 × 7 + ? + 6 × 8
288
292
302
312
None of these.
Correct answer
288
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.