NDA MATHMETICS QUIZ

Question 1:

Which of the following set of fractions is in ascending order ?

$\frac{13}{11}, \frac{11}{13}, \frac{7}{8},\frac{8}{9}$

$\frac{11}{13}, \frac{13}{15}, \frac{7}{8}, \frac{8}{9}$

$\frac{8}{9}, \frac{7}{8}, \frac{13}{15}, \frac{11}{13}$

$\frac{7}{8}, \frac{8}{9}, \frac{11}{13}, \frac{13}{15}$

Question 2:

Which of the following is a fraction that is greater than $\frac{3}{4}$ but less than $\frac{5}{6}$?

$\frac{1}{2}$

$\frac{2}{3}$

$\frac{4}{5}$

$\frac{9}{10}$

Question 3:

What is the number that is 20% more than 80?

90

100

120

96

Question 4:

What is the smallest number by which if 675 is multiplied, the product becomes a perfect cube?

7

8

5

6

Question 5:

What will be the product of three consecutive numbers whose sum is 15?

120

150

125

105

Question 6:

The average of two numbers is 7.5 and the square root of their product is 6. Those numbers are-

13 and 2

9 and 6

10 and 5

12 and 3

Question 7:

51% of a number is 714. What is 39% of this number?

556

546

706

602

Question 8:

If 21 is added to a number, it becomes 7 less than thrice its number. Accordingly, what is that number?

14

16

18

19

Question 9:

If a typewriter takes four minutes to type a page, then how many typers will be needed to type 1080 pages between 1PM to 2 PM in the afternoon?

108

60

90

72

Question 10:

The population of a city is 1,76,400. Every year the population increases at the rate of 5%. Accordingly, what will be the population of that city after two years?

$1,90,000$

$1,94,480$

$1,94,481$

$1,94,482$