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Dear expert explain all the formulas in the chapter comparing quantities?
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1
|
1654
|
June 18, 2019
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A bag contains 50p,25p and 10p coinsin the ratio 5:9:4,amounting to Rs 206.Find the total no of coins
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1
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1332
|
June 18, 2019
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Which of the following is two dimensional and infinitely large?
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0
|
2028
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April 20, 2019
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If xyz = 1, then show that
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1
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994
|
April 8, 2019
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31z5 is a multiple of 3, where z is a digit, what might be the values of z?
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1
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518
|
April 3, 2019
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If 24x is a multiple of 3, where x is a digit, what is the value of x?
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1
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1113
|
April 3, 2019
|
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If 31z5 is a multiple of 9, where z is a digit, what is the value of z?
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1
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1043
|
April 3, 2019
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If 21 y 5 is a multiple of 9, where y is a digit, what is the value of y?
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1
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1145
|
April 3, 2019
|
|
Find the values of the letters in each of the following and give reasons for the steps involved
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1
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2978
|
April 3, 2019
|
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Draw a graph for the following :
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1
|
868
|
April 3, 2019
|
|
Draw the graphs for the following tables of values, with suitable scales on the axes
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1
|
1235
|
April 3, 2019
|
|
State whether True or False. Correct that are false
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1
|
498
|
April 3, 2019
|
|
Write the coordinates of the vertices of each of these adjoining figures
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1
|
770
|
April 3, 2019
|
|
Draw the line passing through (2, 3) and (3, 2). Find the coordinates of the points
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1
|
991
|
April 3, 2019
|
|
Plot the following points on a graph sheet. Verify if they lie on a line
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1
|
1140
|
April 3, 2019
|
|
Can there be a time-temperature graph as follows? Justify your answer
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|
1
|
717
|
April 3, 2019
|
|
A courier-person cycles from a town to a neighbouring suburban area to deliver a parcel
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1
|
807
|
April 3, 2019
|
|
Use the tables below to draw linear graphs
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1
|
1114
|
April 3, 2019
|
|
The following graph shows the temperature forecast and the actual temperature for each day of a week
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1
|
955
|
April 3, 2019
|
|
For an experiment in Botany, two different plants, plant A and plant B were grown
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1
|
877
|
April 3, 2019
|
|
The following line graph shows the yearly sales figures for a manufacturing company
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|
1
|
1075
|
April 3, 2019
|
|
The following graph shows the temperature of a patient in a hospital,
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|
1
|
1160
|
April 3, 2019
|
|
Find and correct the errors in the following mathematical statements
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|
1
|
1774
|
April 3, 2019
|
|
Factorise the expressions and divide them as directed. (i) (y2 +7y +10) ÷ (y + 5)
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1
|
3297
|
April 3, 2019
|
|
Divide as directed. (i) 5(2x + 1)(3x + 5) – (2x + l)
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1
|
1681
|
April 3, 2019
|
|
Work out the following divisions. (i) (10x – 25) ÷ 5
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1
|
1439
|
April 3, 2019
|
|
Divide the given polynomial by the given monomial, (i) (5x2 – 6x) ÷ 3x
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1
|
2396
|
April 3, 2019
|
|
Carry out the following divisions. (i) 28x4 ÷ 56x
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1
|
2354
|
April 3, 2019
|
|
Factorise the following expressions :
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1
|
1055
|
April 3, 2019
|
|
Factorise. (i) a4 – b4
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|
1
|
6519
|
April 3, 2019
|