Question

WRITE ANSWERS FOR ANY 15 QUESTIONS.
1 ) When we add a negative integer we move to the left. ( Yes or No )
2) -2 + - 8 is equal to =
3) When a fraction is subtracted from a whole number , what type of a number we will get ?
4) What will we get if 1/3 0f 21 ?
5) 7 Rupees and 7 paise can be expressed in decimal as ……..
6) Which is greater 105 or 10.5 …….
7) What do you mean by Arithmetic mean ?
8) What is mode of a Data ?
9) What is a probability when a coin is tossed once, to get a tail ?
10) Five times a number p added to 4 is equal to 20. Express this statement in an equation form.
11) Add 4 to 8 times a number you get 60 . What is a number ?
12) Sum of 2 Supplementary angles equal to ?
13) Sum of 2 complementary angles equal to ?
14) Can two acute angles form a linear pair ?
15) Intersecting line of a parallel lines is called ?
16) How many medians can a triangle have ?
17) Can the exterior angle of a triangle be a straight angle ?
18) Can you have a triangle with all the 3 angles equal to 60 `?
19) When can we say that 2 triangles are congruent ?
20) Give any 2 real life examples for congruent.

Answer 1

Answer:

(7) The arithmetic mean is the simplest and most widely used measure of a mean, or average. It simply involves taking the sum of a group of numbers, then dividing that sum by the count of the numbers used in the series. ... The sum is 212. The arithmetic mean is 212 divided by four, or 53.

Answer 2

Answer:

1) No

2)-10

5) 7.07

Step-by-step explanation:

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