EVENTS
CONVENT HIGH SCHOOL
70,LALA LAJPAT RAI COLONY,
BAGH DILKUSHA
SLOT 1 MATHS REVISION QUESTIONS
CLASS-7
1.Choose the Correct options:-
1. Additive
inverse of an integer 8 is.
a. 1/8 b.-8(√)
2. Associative
property is.
a. a+(b+c)=(a+b)+c
(√) b.a+b=b+a
3. Determine(-22)
whose produt with (-1) is
a. 22(√) b.-22
4. 11 ÷(-1) =
_________?
a. 11 b.-11(√)
5. In which
fraction numerator is bigger than denominator?
a. Proper
fration(√) b.Improper
fraction
6. Express 7
rupees 7 paisa as rupees.
a. 7.70 b.7.07(√)
7. 4.8 ÷10=
_________?
a. 48 b.0.48(√)
8. Find the
mode of data :35,32,32,42,38,32,34
a. 32(√) b.35
9. What is
range of the data : 90,85,39,48,56,95,81.
a. 134 b.56(√)
10. Which has
two end points
a. Line segment
(√) b.Line
11. Sum of
supplementary angles
a. 180°(√) b.90°
12. Complement
angle of 63°
a. 27°(√) b.117°
13. How many
elements of a triangle
a. Three b.Six(√)
14. The line
segment joining a vertex of a triangle to the mid point of its opposite side is
called ______of the triangle.
a. Median (√) b.Altitude
15. The total
measure of the three angles of a triangle
a. 360° b.180°(√)
2.
Fill in the blanks by choosing the answer given below:-
1. [13+(-12)] +
(-7) = 13+[(1-12) + (-7)].
2. 20 ÷ (-10)
= -2.
3. 9 × (-3) × (-6)
= 162.
4. 3.62 × 100 =
362.
5. 272.23 ÷ 10
= 27.223.
6. Arithmetic
mean is one of the representative values of data
7. The mode of
a set of observations is the observation that occurs most often.
8. Two angles
forming a linear pair supplementary.
9. If two lines
intersect at a point then the vertically opposite angles are always equal
10. A ray
has only one end point.
11. A
transversal is a line that intersects two or more lines at distinct points.
12. If the Pythagoras property holds the triangle
must be right angled.
13. An exterior
angle of a triangle is equal to the sum of its interior opposite angles
14. A triangle
in which two sides are of equal lengths is called an isosceles triangle.
15. Ax(b-c)
= a x b – a x c
3. Write True or False:-
1.On a number line when we subtract a negative integer, we move to the left [False].
2. When a positive integer and a negative integer are added, we always get a negative integer [True].
3. Multiplication is cumulative for integers i.e a x b = b x a [True].
4. A reciprocal of a fraction is obtained by inverting it not upside down [False].
5. In 0.5 or 0.05 is greater [False].
6. 0.04 X 7 = 0.28 [True].
7. A bar graph is a representative of number using bars of uniform widths [True].
8. The data 6,4,3,8,9,12,13,9 has mean 9 [False].
9. The difference between the highest and the lowest observation of data are called range [True].
10. If two angles are supplementary the sum of their measure is 90°[False].
11. if two parallel lines are cut by a transversal each pair of corresponding angles are equal in measure [True].
12. Sum of lengths of any two sides of a triangle is greater than the length of the third side [True].
13. If a triangle whose all angles are equal so its each angle measure is 30° [False].
14. 112° and 68° pairs of supplementary angles [True].
15. Sum of lengths of any two sides of a triangle is greater than the length of the third side[True].
SOLVE THE FOLLOWING
4. Find the product using suitable property: (a)
15×(-25)×(-4)×(-10) (b) (-41) × 102
5. Evalute the following: (a) 13÷[(-2) +1] (b) [(-6)+5] ÷ [(-2)+1]
6. Express in Kg :3470g
7.Find the mean of the first five whole numbers?
8.The runs
scored in a cricket match by 11 players is as follows 9,15,120,50,100,80,10,15,8,10,15
Find the mean, mode and median of this data are the three same.
10.PQR
is a triangle right angled at P. If PQ=10cm and PR-=24cm Find QR.
