The total population enrolled in higher education in Jharkhand in 2014-15 is the average of the total population enrolled in Tamil Nadu and West Bengal. Find the enrolled population in the age group of 18-23 years, if the gross enrolment percentage of Jharkhand is 60%.

Correct

Total population enrolled in higher education in Jharkhand in 2014-15 = (13.5 + 12.1) ÷ 2 = 12.8 million

Gross enrolment percentage = 60%

The enrolled population in the age group of 18-23 years = 60% of 12.8 = 7.68 million

Hence, option a.

Incorrect

Total population enrolled in higher education in Jharkhand in 2014-15 = (13.5 + 12.1) ÷ 2 = 12.8 million

Gross enrolment percentage = 60%

The enrolled population in the age group of 18-23 years = 60% of 12.8 = 7.68 million

Hence, option a.

Question 3 of 10

3. Question

In the age group of 18-23 years, ratio of the male population enrolled in higher education to female population enrolled in higher education in Assam is 7 : 6 and in Odisha is 3 : 1, respectively. Find the percentage of female population in the age group of 18-23 enrolled in both states with respect to the total population in the age group of 18-23 enrolled in both states.

Correct

Incorrect

Question 4 of 10

4. Question

Find the ratio of the total population enrolled in all the states together in 2014-2015 to the total population enrolled in the age group of 18-23 in all the states together in 2014-2015.

In year 2015-16, if the population in the age group of 18-23 in Assam enrolled in higher education increases by 30% and out of them 45% are females, then find the male population in the age group of 18-23 in Assam enrolled in higher education in 2015-16.

Correct

The total population in the age group of 18-23 in Assam enrolled in higher education in 2015-16 = 1.3 × 2.6 = 3.38 million.

Male population in the age group of 18-23 in Assam enrolled in higher education in 2015-16 = 55% of 3.38 = 1.859 million

Hence, option c.

Incorrect

The total population in the age group of 18-23 in Assam enrolled in higher education in 2015-16 = 1.3 × 2.6 = 3.38 million.

Male population in the age group of 18-23 in Assam enrolled in higher education in 2015-16 = 55% of 3.38 = 1.859 million

Hence, option c.

Question 6 of 10

6. Question

Quantity I: 10 men do a piece of work in 15 days while 12 women can do the same work in 20 days. Find the time taken to complete the work by 5 men and 4 women working together.

Quantity II: Rahul can individually do a piece of work in 30 days, while Rahul and Vineet together can do the same work in 20 days. Find the number of days taken by Vikash alone to complete the same work, if Vikash is 200% more efficient than Vineet.

Correct

Incorrect

Question 7 of 10

7. Question

Quantity I: Find the curved surface area of the cone whose height is thrice the radius and the slant height is 21 cm. [Use √10 = 3]

Quantity II: Find the curved surface area of cylinder whose height and radius are 14 cm and 7 cm, respectively.

Correct

Incorrect

Question 8 of 10

8. Question

Quantity I: Find the total amount obtained by the man on depositing Rs. 1800 at compound interest for 2 years at the rate of 10% per annum.

Quantity II: Find the amount accumulated after 3 years, if Rs. 1800 was deposited on simple interest at the rate of 7% per annum.

Correct

Incorrect

Question 9 of 10

9. Question

The following numbers form a series. Find the odd one out.

510, 485, 450, 400, 336, 255

Correct

The series follows the pattern:

510 – 5^{2} = 485,

485 – 6^{2} = 449,

449 – 7^{2} = 400,

400 – 8^{2} = 336,

336 – 9^{2} = 255.

Hence, option c.

Incorrect

The series follows the pattern:

510 – 5^{2} = 485,

485 – 6^{2} = 449,

449 – 7^{2} = 400,

400 – 8^{2} = 336,

336 – 9^{2} = 255.

Hence, option c.

Question 10 of 10

10. Question

The following numbers form a series. Find the odd one out.