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Worksheets8 MATHS 1,2,3
Total questions: 40
Worksheet time: 27mins
0 is the smallest rational number.
TRUE
FALSE
−4/5 lies to the left of −3/4.
TRUE
FALSE
The number which is subtracted from −6/11 to get 8/9 is __________.
The sum of the digits of the denominator in the simplest form of 112 / 528 is _________ .
4
5
6
7
The value of the image is (a) .
The rational number (a) does not have a reciprocal.
The additive inverse of −11/−17 is 11/17.
TRUE
FALSE
the sum is ____
Which of these rational numbers which have additive inverse?
(A) 7
(B) −5/7
(C) 0
(D) all of these
Closure property is not true for division of rational numbers because of the number
1
-1
0
1/2
Which of the following illustrates the inverse property for addition?
The ones digit in the square of 77 is (a) .
The number of perfect square numbers between 300 and 500 is (a) .
The square of 43 ends with the digit ______.
9
6
4
3
√48 is approximately equal to ______.
5
6
7
8
√128 - √98 + √18 = ______.
(A) √2
(B) √8
(C) √48
(D) √32
The cube root of 540×50 is (a) .
79570 is not a perfect cube.
TRUE
FALSE
(−1)even integer is (a) .
For a ≠ 0, a0 is (a) .
Using the power rule, (37)-2 = 35.
TRUE
FALSE
By what number should (−4)−1 be multiplied so that the product becomes 10-1 ?
(A) 2/3
(B) −2/5
(C) 5/2
(D) −5/2
0.0000000002020 in scientific form is ____________.
(A) 2.02×109
(B) 2.02×10−9
(C) 2.02×10−8
(D) 2.02×10−10
The longest chord of a circle is (a) .
The cross section of a solid cylinder is (a) .
The product of 7 p3 and (2 p2)2 is
(A) 14 p12
(B) 28 p7
(C) 9 p7
(D) 11p12
If the area of a square is 36x4 y2 then, its side is ____________
(A) 6x 4 y2
(B) 8x 2 y2
(C) 6x 2 y
(D) −6x 2 y
If the area of a rectangular land is (a 2 − b2 ) sq.units whose breadth is (a − b) then, its length is__________
(A) a − b
(B) a + b
(C) a 2 − b
(D) (a + b)2
7ab 3 ÷ 14ab = 2b2
TRUE
FALSE
If x2–y2 = 16 and (x+y) = 8 then (x–y) is ___________
8
3
2
1
(A) a2–ab+b2
(B) a2+ab+b2
(C) a2+2ab+b2
(D) a2–2ab+b2
(p+q)(p2–pq+q2) is equal to _____________
(A) p3+q3
(B) (p+q)3
(C) p3–q3
(D) (p–q)3
Factors of 9x2+6xy are
(A) 3y, (x+2)
(B) 3x, (3x+3y)
(C) 6x, (3x+2y)
(D) 3x, (3x+2y)
Factors of 4–m2 are
(A) (2+m)(2+m)
(B) (2–m)(2–m)
(C) (2+m)(2–m)
(D) (4+m)(4–m)
One factor of x3+y3 is
(A) (x – y)
(B) (x + y)
(C) (x + y)3
(D) (x – y)3
The linear equation in one variable has -------------------- solution.
(a)
If a and b are positive integers then the solution of the equation ax=b has to be always (a) .
If the angles of a triangle are in the ratio 2:3:4 then the difference between the greatest and the smallest angle is _______.
10°
20°
30°
40°
The coordinates of the point in third quadrant are always (a) .
The x- coordinate is always (a) on the y-axis.
