`(8)/(5)` lies between ",........." numbers. a. `3" and "5," b."1" and "2 , c."8" and "5," d."2" and "3`

The points - a + 4b - 3c, 3a + 2b + 5c, -3a + 8b - 5c, -3a + 2b + c are

The number of 3 x 3 matrices with entries - 1 and 1 is a) 2^(-4) b) 2^(5) c) 2^(6) d) 2^(8)

"a b c - a - c - - b - d ? ? ? ?" "- 4 - 5 8 - - - - - 3 5 - - - -"

If a:b=4:5 and b:c=2:3, then a:c4:3 (b) 8:158:9 (d) 5:3

The number of five-digit numbers which are divisible by 3 that can be formed by using the digits 1,2,3,4,5,6,7,8 and 9 , when repetition of digits is allowed, is (a) 3^(10) (b) 4.3^(8) (c) 5.3^(8) (d) 7.3^(8)

Draw number lines and locate the points on them : (a) 1/2,1/4, 3/4, 4/4, (b) 1/8, 2/8, 3/8, 7/8, (c) 2/5, 3/5, 8/5, 4/4

Which of the following is not an AP? (a) -1.2, 0.8, 2.8, .... (b) 3, 3+ sqrt(2), 3+ 2sqrt(2), 3+3sqrt(2), ...... (c) 4/3, 7/3, 9/3, 12/3, ..... (d) -1/5, -2/5, -3/5,...

Which of the following is not an AP? (a) -1.2, 0.8, 2.8, .... (b) 3, 3+ sqrt(2), 3+ 2sqrt(2), 3+3sqrt(2), ...... (c) 4/3, 7/3, 9/3, 12/3, ..... (d) -1/5, -2/5, -3/5,...

If a : b=4:5 and b : c=2:3, then a : c (a) 4:3 (b) 8: 15 (c) 8:9 (d) 5:3

If A, B, C and D are four numbers such that A : B = 2 : 3, B : C = 4 : 5, C : D = 5 : 8, then A : D is equal to