20. Statement A: The expanded form of 2.06 is `(2 xx10)+( 6×1/100)`Statement B: If the prime numbers from 23 to 47 are listed as 23, x, 31, 37, 41, y, 47 thenx +y is 72a) Both A and B are truec) A is false and B is trueb) A is true and B is falsed) Both A and B are false

16. Statement A: 4 1/2 % of 3m is 1.35cmStatement B: The simplest ratio of Rs.75 to 50 paise is 1: 150a) Both A and B are truec) A is false and B is trueb) A is true and B is falsed) Both A and B are false

25. Statement A: The ratios 15cm to 2m and 10sec to 3 minutes form a proportionStatement B: If the cost of 6 cans of juice is Rs.210 then the cost of 4 cans of juice isRs. 140a) Both A and B are truec) A is false and B is trueb) A is true and B is falsed) Both A and B are false

18. Statement A: If A : B = 5 : 7 and B : C = 6 : 11 then A : B : C is 30 : 42 : 77Statement B: If a and b are coprimes then their LCM is aba) Both A and B are truec) A is false and B is trueb) A is true and B is falsed) Both A and B are false

If a is 2 times of b, then b is 100% more than a. (True /False)

x-y+b=0 is a chord of the circle x^2 + y^2 = a^2 subtending an angle 60^0 in the major segment of the circle. Statement 1 : b/a = +- sqrt(2) . Statement 2 : The angle subtended by a chord of a circle at the centre is twice the angle subtended by it at any point on the circumference. (A) Both 1 and 2 are true and 2 is the correct explanation of 1 (B) Both 1 and 2 are true and 2 is not a correct explanation of 1 (C) 1 is true but 2 is false (D) 1 is false but 2 is true

x-y+b=0 is a chord of the circle x^2 + y^2 = a^2 subtending an angle 60^0 in the major segment of the circle. Statement 1 : b/a = +- sqrt(2) . Statement 2 : The angle subtended by a chord of a circle at the centre is twice the angle subtended by it at any point on the circumference. (A) Both 1 and 2 are true and 2 is the correct explanation of 1 (B) Both 1 and 2 are true and 2 is not a correct explanation of 1 (C) 1 is true but 2 is false (D) 1 is false but 2 is true

Statement 1 : The circle x^2 + y^2 - 8x - 6y + 16=0 touches x-axis. Statement : 2 : y-coordinate of the centre of the circle x^2 + y^2 - 8x -6y+16=0 is numerically equal to its radius. (A) Both 1 and 2 are true and 2 is the correct explanation of 1 (B) Both 1 and 2 are true and 2 is not a correct explanation of 1 (C) 1 is true but 2 is false (D) 1 is false but 2 is true

Statement 1 : The circle x^2 + y^2 - 8x - 6y + 16=0 touches x-axis. Statement : 2 : y-coordinate of the centre of the circle x^2 + y^2 - 8x -6y+16=0 is numerically equal to its radius. (A) Both 1 and 2 are true and 2 is the correct explanation of 1 (B) Both 1 and 2 are true and 2 is not a correct explanation of 1 (C) 1 is true but 2 is false (D) 1 is false but 2 is true

Let A and B denote the statements A: "cos"a+"cos"b+"cos"g=""0 B : "sin"a+"sin"b+"sin"g=""0 If cos(b g)""+""cos(g a)""+""cos(a b)""=""""3//2 , then (1) A is true and B is false (2) A is false and B is true (3) both A and B are true (4) both A and B are false