Arithmetic, number systems, percentages, ratios, profit and loss, time and work, algebra, geometry, mensuration, and trigonometry.
In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.
188, 177, 199, 166, 210, 150, 221
188
221
150
199
210
Correct answer
150
In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.
18225, 6075, 2025, 675, 220, 75, 25
25
75
220
18225
6075
Correct answer
220
In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.
210, 228, 250, 274, 302, 332, 365
302
332
210
250
365
Correct answer
365
In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.
304, 300, 316, 332, 364, 428, 556
300
316
304
332
428
Correct answer
300
In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.
2194, 2175, 2152, 2123, 2092, 2054, 2014
2014
2054
2194
2092
2123
Correct answer
2054
Directions (81-85): What approximate value will come in place of question mark (?) in the following questions (You are not expected to calculate the exact value).
5.03% of 39.89 + 10.09% of 450 =?
44
47
39
54
59
Correct answer
47
Directions (81-85): What approximate value will come in place of question mark (?) in the following questions (You are not expected to calculate the exact value).
$\sqrt{840.99}$ + $\frac{14}{19}$ of 361.09 = ? × 4.88
59
53
65
50
43
Correct answer
59
Directions (81-85): What approximate value will come in place of question mark (?) in the following questions (You are not expected to calculate the exact value).
12.21³ - 108.02 = 24.90% of 399+?
1090
1120
1240
1520
1130
Correct answer
1520
Directions (81-85): What approximate value will come in place of question mark (?) in the following questions (You are not expected to calculate the exact value).
$\frac{32.08% \text{ of } 599}{1.99}$ ÷ $\frac{1}{4}$ = $?^{2}$ − 16
29
24
17
12
20
Correct answer
20
Directions (81-85): What approximate value will come in place of question mark (?) in the following questions (You are not expected to calculate the exact value).
$\left(\frac{256.03}{15.99} ÷ \frac{3.98}{1.99}\right)$ = ? ÷ 12.01
91
96
103
87
67
Correct answer
96
A, B and C together can do a work in 4 days, while B alone can do the same work in 24 days. If efficiency of C is 300% more than that of B, then find the difference between number of days taken by A and C to complete the work alone?
18
12
11
15
20
Correct answer
18
The ratio of present age of P to age of Q four years ago is 2 :
66 years
78 years
82 years
99 years
102 years
Correct answer
78 years
An amount of Rs. 12200 is partly invested in scheme A at 10% p.a. on compound interest for two years and in scheme B at the same rate on simple interest for four years. If the interest received from both the schemes is equal, then find the amount invested in scheme A?
Rs.4350
Rs.4340
Rs.4200
Rs.8000
Rs.8500
Correct answer
Rs.8000
A, B and C started a business with investment of Rs. 12,000, Rs. 12,000 and Rs. 8,000 respectively. B invested only for ‘x’ months, while C left the business ‘x’ month before a year. If A got Rs 1800 out of annual profit of Rs 3200, then find the value of ‘x’?
2
8
6
4
5
Correct answer
4
Train A crosses a 230 meters long platform in 29 seconds and train B crosses a 150 meters long platform in 24 seconds. Train B having length of 450 meters crosses train A in 160 seconds, while running in the same direction. Find how much time will the train A take to cross a 50 meters long bridge (Speed of train B > speed of train A)?
16 seconds
22 seconds
20 seconds
17 seconds
25 seconds
Correct answer
20 seconds
The ratio of speed of a boat in still water to the speed of boat in upstream 4 : 3. The boat covers 560 km in 7 hours in downstream. Find the time taken by boat to cover 480 km distance in upstream?
8 hours
9 hours
7 hours
5 hours
10 hours
Correct answer
10 hours
A mark an article 60% above its cost price. When he allows 4d% discount on marked price he earns 28% profit. If he allows 6d% discount, then find the profit/ or loss %?
12%
15%
18%
20%
24%
Correct answer
12%
The ratio of milk and water in mixture A is 9: 5. The quantity of milk in mixture B is 20% more that in mixture A and quantity of water in mixture A is 25% more than that in mixture B. If sum of quantity of water of both mixture is 54 liters, then find the total quantity of mixture in A?
72 liters
64 liters
84 liters
75 liters
80 liters
Correct answer
84 liters
The average weight of 24 boys and 6 girls in a class is 40 kg. If the weight of all the girls excluded the average weight of the class is reduced by 4 kg, then find the average weight of all the six girls?
52 kg
56 kg
58 kg
55 kg
51 kg
Correct answer
56 kg
The ratio of area of a square and area of a rectangle is 3:2 respectively. The side of square is equal to length of the rectangle. The perimeter of the rectangle is 40 meters, then find the breadth of the rectangle?
12 m
8 m
10 m
15 m
17 m
Correct answer
8 m
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.