FRACTION AND DECIMAL
A fraction is a rational number, and a rational number:
(a) can never be a fraction. (b) may or may not be a fraction.
(c) is also a fraction. (d) can always be reduced to a fraction
(b) may or may not be a fraction.
The multiplicative identity for integers is_______.
(a) 1 (b) -1
(c) 0 (d) 1 and -1
(a) 1
Write the following statement in the form of an equation. “The sum of three times x and 10 is 23.
(a) 3x – 10 = 23
(b) 3x + 23 = 10
(c) 3x + 10 = 23
(d) 3x – 23 = 10
(c) 3x + 10 = 23
The value of 20 x 30 x 40 is _____.
(a) 1 (b) 0
(c) 24 (d) None of these
(a) 1
The range of 35, 40, 22, 17, 65, 31, 78, 33 is_______.
(a) 35 (b) 17
(c) 61 (d) 33
(c) 61
BONUS
10+ (-5) +(-10) +9+0 is equal to _____.
(a) -4 (b) -10
(c) -13 (d) 4
(d) 4
The linear equation m/5=4 can be written as _____.
(a)One-fifth of m is 4 (b) five times of m is 4 (c) Four times of 5 is 4 (d) none of these
(a)One-fifth of m is 4
The solution of the equation -2(x + 3) = 4 is
(a) -2
(b) -3
(c) -4
(d) -5
(d) -5
BONUS
The length of a rectangular sheet of paper is 3/5 cm and the breadth is 2/5 cm. What is the
perimeter of the paper?
(a) 1 cm (b) 2 cm
(c) 3 cm (d) 4 cm
(b) 2 cm
BONUS
What value of p makes the given equation true. P/5 + 19 = 20
(a) 5
(b) 10
(c) 15
(d) 20
(a) 5
Assertion (A): The exponential form of 125 is 53. Reason (R): 125 = 5 × 5 × 5 = 53.
(a) Both A and R are true, and R is the correct explanation of A
(b)Both A and R are true, but R is not the correct explanation of A
(c)A is true, but R is false
(d)A is false, but R is true
(c)A is true, but R is false
The median of the data set is ______.
14,11,12,13,11,12,11
(a)14 (b)11
(c) 12 (d) 13
(c) 12
Assertion (A): 9 kg 38 g = 9.038 kg.
Reason (R): 1000 g = 1 kg
(a) Both A and R are true, and R is the correct explanation of A
(b)Both A and R are true, but R is not the correct explanation of A
(c)A is true, but R is false
(d)A is false, but R is true
(A)
Assertion (A): a(b + c) = ab + ac is a distributive property of multiplication over addition.
Reason (R): x( y – z) = (x × y) – ( x × z) is a distributive property of multiplication over subtraction.
(a) Both A and R are true, and R is the correct explanation of A
(b)Both A and R are true, but R is not the correct explanation of A
(c)A is true, but R is false
(d)A is false, but R is true
(b)Both A and R are true, but R is not the correct explanation of A
YOUR MATHS TEACHER IS A CLASS TEACHER OF WHICH CLASS?
IX-A
The length of cube in exponential form is 4½×27
Find the length of cube in general form.
54
Mean of the first six prime numbers is
(a) 7.83
(b) 5.83
(c) 6.83
(d) 4.83
(c) 6.83