Which of the following are co-primes? 8, 10          (b)   9, 10          (c)   6, 8         (d)   15, 18

Which of the following are co-primes? (a) 8, 10 (b) 9, 10 (c) 6, 8 (d) 15, 18

Check whether the following pair of numbers are co-primes (Relatively primes). a) 17, 21, b) 8, 18, c) 29, 37, d)9, 33

Which of the following is a fraction equivalent to 2/3\ ? (a) 4/5 (b) 8/6 (c) (10)/(25) (d) (10)/(15)

Which of the following is a fraction equivalent to 2/3\ ? 4/5 (b) 8/6 (c) (10)/(25) (d) (10)/(15)

Find the mean of the data. 3,7,9,15,18,8 (A) 60 (B) 55 (C) 10 (D) 16

An amount of 53 is divided among A,B and C such that A gets Rs.7 more than B and B gets Rs.8 more than C. What is the ratio of their shares? 15:8:30 b.6:9:18 c.18:25:10 d.25:18:10

If x=3+i, then x^(3)-3x^(2)-8x+15 = (A) 6 (B) 10 (C) -18 (D) -15

If A = {3, 6, 9, 12 , 15 , 18 , 21} , B = { 4, 8, 12 ,16 , 20 } , C = { 2, 4, 6, 8, 10 , 12 , 14 , 16 } , D = {5, 10 , 15 , 20 } ; find(i) A - B (ii) A - C (iii) A - D

If A = {3, 6, 9, 12, 15, 18, 21}, B = { 4, 8, 12, 16, 20 } , C = { 2, 4, 6, 8, 10, 12, 14, 16 }, D = {5, 10, 15, 20 } , find D – C

If A = {3, 6, 9, 12, 15, 18, 21}, B = { 4, 8, 12, 16, 20 } , C = { 2, 4, 6, 8, 10, 12, 14, 16 }, D = {5, 10, 15, 20 } , find C – D