Arithmetic, number systems, percentages, ratios, profit and loss, time and work, algebra, geometry, mensuration, and trigonometry.
A can do a piece of work in 20 days while B can do the same piece of work in 30 days. The started working together and after 6 days, A leaves the work. Two days later B is joined by C. If the work is completed in the same time as before then how much percentage efficient is C more than A?
40%
60%
50%
35%
45%
Correct answer
40%
A square is inscribed in a circle and another circle is inscribed in the square in such a way that it touches the sides of square. If the radius of smaller circle is 14√2 cm, then find the circumference of the larger circle.
176 cm
154 cm
77 cm
88 cm
144 cm
Correct answer
176 cm
The present age of mother is 42 years. After 12 years the ratio of ages of father and mother is 10:9 and the ratio of the present ages of their son and daughter is 5:6. Fathers present age is four times the present age of daughter. Find the sum of the ages of son and daughter after 12 years.
42 years
46 years
45 years
48 years
38 years
Correct answer
42 years
A container contains 96 litres mixture of milk and water with 35% milk. If 16 litres of the mixture is taken out and then 10 litres of water is added. What is the ratio of milk and water in the new mixture?
29 : 38
13 : 17
25 : 41
14 : 31
52 : 97
Correct answer
29 : 38
The simple interest for 2 years is Rs. 4200. The difference between the compound interest and simple interest for 2 years is Rs. 420. Find the Compound interest for 3 years.
Rs. 8682
Rs. 7632
Rs. 7644
Rs. 8456
Rs. 7822
Correct answer
Rs. 8682
Two friends Aaru and Chand started a business in which Aaru invests Rs. 12600 and Chand invested 1/3rd of the amount invested by Aaru. Aaru left the business after 5 months and at the same time Sandhu joins with the investment of Rs.6000. At the end of one-year Chand receives Rs. 3000 as the share of a profit.
The share of Aaru is how much percent more than the share of Sandhu at the end of one year?
40%
25%
50%
20%
None of these
Correct answer
40%
Two friends Aaru and Chand started a business in which Aaru invests Rs. 12600 and Chand invested 1/3rd of the amount invested by Aaru. Aaru left the business after 5 months and at the same time Sandhu joins with the investment of Rs.6000. At the end of one-year Chand receives Rs. 3000 as the share of a profit.
Find the total profit earned in the business.
Rs. 10750
Rs. 8750
Rs. 8250
Rs. 9250
Rs. 12250
Correct answer
Rs. 10750
Two friends Aaru and Chand started a business in which Aaru invests Rs. 12600 and Chand invested 1/3rd of the amount invested by Aaru. Aaru left the business after 5 months and at the same time Sandhu joins with the investment of Rs.6000. At the end of one-year Chand receives Rs. 3000 as the share of a profit.
Find the share of Aaru from the profit after one year?
Rs. 2500
Rs. 3750
Rs. 4000
Rs. 4500
None of these
Correct answer
Rs. 2500
What approximate value should come in place of the question mark (?) in the following question?
(11.91)2 ÷ (3.98)2 × (12.94)2 – (18.89)2 = ?
1244
1221
1160
1241
1143
Correct answer
1244
What approximate value should come in place of the question mark (?) in the following question?
26.91 ÷ 2.97 × (13.84)2 – 169.89 = ?
1459
1381
1432
1594
1279
Correct answer
1459
What approximate value should come in place of the question mark (?) in the following question?
22.87% of 1199.79 + 29.95% of 229.92 = ?
435
349
381
397
345
Correct answer
435
What approximate value should come in place of the question mark (?) in the following question?
124.97% of 300 + 24.99% of 100 – 9.99% of 29.79 = (?)
397
396
398
394
399
Correct answer
397
What approximate value should come in place of the question mark (?) in the following question?
(69.98% of 99.99) – (19.98% of 224.99) = (?)
24
25
23
26
21
Correct answer
24
What approximate value should come in place of the question mark (?) in the following question?
14.98% of 100.11 ÷ 4.99 × (?) = 29.98
7
8.5
11
9
10
Correct answer
7
What approximate value should come in place of the question mark (?) in the following question?
√624.98 ÷ (29.99 ÷ √(36.12)) – x = √3.99
5
2
4
3
1
Correct answer
5
Direction: The table shows the number of students, the percentage of boys participated, the percentage of girls participated, the percentage of students who did not participate in the final examination in 5 years.
Some values are missing in the table. Study the following table carefully and answer the questions given below.
| Years | Total number of students | % of boys out of total participated students | % of girls out of total participated students | % of students who did not participate |
|---|---|---|---|---|
| 2015 | -- | 65 | -- | 20 |
| 2016 | 500 | -- | 25 | 15 |
| 2017 | 700 | 25 | -- | 12 |
| 2018 | 750 | -- | 80 | 10 |
| 2019 | -- | 45 | -- | 30 |
If the number of total students present in 2015 is 20% more than that in 2016, then find the number of girls who participated in the final examination of 2015.
192
188
204
168
172
Correct answer
192
Direction: The table shows the number of students, the percentage of boys participated, the percentage of girls participated, the percentage of students who did not participate in the final examination in 5 years.
Some values are missing in the table. Study the following table carefully and answer the questions given below.
| Years | Total number of students | % of boys out of total participated students | % of girls out of total participated students | % of students who did not participate |
|---|---|---|---|---|
| 2015 | -- | 65 | -- | 20 |
| 2016 | 500 | -- | 25 | 15 |
| 2017 | 700 | 25 | -- | 12 |
| 2018 | 750 | -- | 80 | 10 |
| 2019 | -- | 45 | -- | 30 |
Find the ratio of the number of students not participated in 2016 to the number of students not participated in 2017.
25 : 28
23 : 28
25 : 27
21 : 25
20 : 29
Correct answer
25 : 28
Direction: The table shows the number of students, the percentage of boys participated, the percentage of girls participated, the percentage of students who did not participate in the final examination in 5 years.
Some values are missing in the table. Study the following table carefully and answer the questions given below.
| Years | Total number of students | % of boys out of total participated students | % of girls out of total participated students | % of students who did not participate |
|---|---|---|---|---|
| 2015 | -- | 65 | -- | 20 |
| 2016 | 500 | -- | 25 | 15 |
| 2017 | 700 | 25 | -- | 12 |
| 2018 | 750 | -- | 80 | 10 |
| 2019 | -- | 45 | -- | 30 |
If the number of total students present in 2019 is 250 more than the number of total students present in 2018, then find the number of girls who participated in the examination of 2019.
235
346
385
240
245
Correct answer
235
Direction: The table shows the number of students, the percentage of boys participated, the percentage of girls participated, the percentage of students who did not participate in the final examination in 5 years.
Some values are missing in the table. Study the following table carefully and answer the questions given below.
| Years | Total number of students | % of boys out of total participated students | % of girls out of total participated students | % of students who did not participate |
|---|---|---|---|---|
| 2015 | -- | 65 | -- | 20 |
| 2016 | 500 | -- | 25 | 15 |
| 2017 | 700 | 25 | -- | 12 |
| 2018 | 750 | -- | 80 | 10 |
| 2019 | -- | 45 | -- | 30 |
Find the average number of total students in 2016, 2017 and 2018 together.
625
675
690
700
650
Correct answer
625
Direction: The table shows the number of students, the percentage of boys participated, the percentage of girls participated, the percentage of students who did not participate in the final examination in 5 years.
Some values are missing in the table. Study the following table carefully and answer the questions given below.
| Years | Total number of students | % of boys out of total participated students | % of girls out of total participated students | % of students who did not participate |
|---|---|---|---|---|
| 2015 | -- | 65 | -- | 20 |
| 2016 | 500 | -- | 25 | 15 |
| 2017 | 700 | 25 | -- | 12 |
| 2018 | 750 | -- | 80 | 10 |
| 2019 | -- | 45 | -- | 30 |
Find the ratio on the number of girls who participated in 2017 to the number of girls who participated in 2018.
78 : 149
77 : 150
77 : 90
78 : 151
77 : 153
Correct answer
78 : 149
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.