Which of the following is the lowest ratio? `7: 15` b. `15 : 23` c. `17 : 25` d. `21 : 39`

Which of the following fractions is the smallest? (13)/(16) (b) (15)/(19) (c) (17)/(21) (d) (7)/(8)

Which of the following is/are not Pythagorean triplet (s)? 3,4,5 (b) 8,15,17 7,24,25 (d) 13,26,29

Compare the ratios: 16:25 square 15:23

Which of the following are rational numbers? (i) 5/15 , (ii) -6/23 , (iii) 17, (iv) -25, (v) 0

Which of the following is/are not Pythagorean triplet (s)? (a) 3,4,5 , (b) 8,15,17 (c) 7,24,25 (d) 13,26,29

Find the mode of the following 20,21,15,18,21,17,21

The mean of the following distribution is 18. The frequency f in the class interval 19-21 is missing {:("Class ",11-13,13-15,15-17,17-19,19-21,21-23,23-25),("Frequency "," "3," "6," "9," "13," "f," "5," "4):} Determine f .

The simplest form of the ratio 1.5:2.5 is 3:5b .6:10c.15:25d.76:1.25

Which of the following are in descending order of their values? (5)/(9),(7)/(11),(8)/(15),(11)/(17) (b) (5)/(9),(8)/(15),(11)/(17),(7)/(11) (c) (11)/(17),(7)/(11),(5)/(15),(5)/(9)(d)(11)/(17),(7)/(11),(5)/(9),(8)/(15)