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Next three consecutive numbers in the pattern 11, 8, 5, 2, -, -, — are (a) 0, – 3, – 6 (b) – 1, – 5, – 8 (c) – 2, – 5, – 8 (d) – 1, – 4, – 7

The correct answer is (d) – 1, – 4, – 7 Justification 11, 8, 5, 2, –, –, — Here in the sequence, the... View Article

By observing the above number line (Fig. 1.2), state which of the following statements is true. (a) B is 2 (b) A is – 4 (c) B is -13 (d) B is – 4

The correct answer is (d) B is – 4 Justification Each division on the number line is 1 unit apart. Then, B is 4 units from the left of... View Article

By observing the number line (Fig. 1.2), state which of the following statements is not true. (a) B is greater than -10 (b) A is greater than 0 (c) B is greater than A (d) B is smaller than 0

The correct answer is (c) B is greater than A Justification B lies to the left of zero A lies to the right of zero on the number line... View Article

When the integers 10, 0, 5, – 5, – 7 are arranged in descending or ascending order, then find out which of the following integers always remains in the middle of the arrangement. (a) 0 (b) 5 (c) – 7 (d) – 5

The correct answer is (a) 0 Justification When the given integers are arranged in descending order we get : 10, 5, 0, -5, -7 When the... View Article

Draw a graph for the radius and circumference of circle using a suitable scale. (Hint: Take radius = 7, 14, 21 units and so on) From the graph, (a) Find the circumference of the circle when radius is 42 units. (b) At what radius will the circumference of the circle be 220 units?

(a) X 0 1 2 3 y (a) From the given graph, the y coordinates of the first table is given as: Let take x = 1, now draw... View Article

Complete the given tables and draw a graph for each.

Solution (a) x 0 1 2 3 Y= 3x+1 1 4 – – From the given details we note that, y= 3x+1 When x= 0,... View Article

Explain the situations represented by the following distance-time graphs.

Solution: (a) The first graph depicts, the distance increases time also increase with equal intervals (b) The second graph depicts, the... View Article

The cost of a note book is Rs. 10. Draw a graph after making a table showing cost of 2, 3, 4 … Note books. Use it to find (a) The cost of 7 notebooks. (b) The number of note books that can be purchased with Rs 50.

Solution From the given details w note that , the cost of one notebook is Rs.10 (a) Hence, the cost of 7 notebooks is 7×10 = 70 rs (b)... View Article

Make a line graph for the area of a square as per the given table Is it a linear graph?

Solution Side (in cm) 1 2 3 4 Area (in cm2) 1 4 9 16 From the given table, the coordinates are considered as... View Article

If y–coordinate is 3 times x -coordinate, form a table for it and draw a graph.

Solution Given that y = 3x Let x = 1, 2, 3, 4 The corresponding y coordinate values are given as follows: When x = 1, y= 3(1) = 3 ⇒ (1,... View Article

Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order. (a) (1, 2), (2, 4), (3, 6), (4, 8). (b) (1, 1), (1, 2), (2, 1), (2, 2). (c) (4, 2), (2, 4), (3, 3), (5, 4).

Solution (a) For the given points, (1, 2), (2, 4), (3, 6), (4, 8), the graph obtained is shown below All the points lie on the straight line.... View Article

Write the y-coordinate (ordinate) of each of the given points. (a) (3, 5) (b) (4, 0) (c) (2, 7)

Solution We know that, the ordinate represents the y coordinate in the ordered pair. The distance of a point from y-axis scaled with the x-axis... View Article

Write the x -coordinate (abscissa) of each of the given points. (a) (7, 3) (b) (5, 7) (c) (0, 5)

Solution We know that, abscissa represents the x coordinate in the ordered pair. In the coordinate system, the ordinate is the second component... View Article

Study the given map of a zoo and answer the following questions. (a) Give the location of lions in the zoo. (b) (D, f) and (C, d) represent locations of which animals in the zoo? (c) Where are the toilets located? (d) Give the location of canteen.

(a) Give the location of lions in the zoo. The location of lions in the zoo is (A, f) (b) (D, f) and (C, d) represent locations of which... View Article

Plot the given points on a graph sheet. (a) (5, 4) (b) (2, 0) (c) (3, 1) (d) (0, 4) (e) (4,5)

Solution Let us first, draw the x and y axis, and plot the given points. The given points are A = (5, 4) B = (2, 0) C = (3, 1) D = (0,... View Article

Find the coordinates of all letters in the graph given below.

Solution From the given graph, the coordinates of the given letters are: A Coordinates = (0, 7.5) B Coordinates = (4, 5) C Coordinates =... View Article

From the given graph, choose the letters that indicate the location of the points given below. (a) (2, 0) (b) (0, 4) (c) (5, 1) (d) (2, 6) (e) (3,3)

Solution From the given graph, the letters that indicate the location of the point is given below: A indicates the points: (0, 4) B... View Article

M	T	W	T	F	S	S
				1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20	21	22	23	24
25	26	27	28	29	30	31