question_answer2) Find the angle which is double of its supplement.
View Answer play_arrowquestion_answer3) If 2: 3:: x: 18, Find x.
View Answer play_arrowquestion_answer4) Divide \[\frac{12}{5}\] by \[\frac{21}{25}\].
View Answer play_arrowThe value of x is : |
(a) \[40{}^\circ \] |
(b) \[50{}^\circ \] |
(c) \[60{}^\circ \] |
(d) \[130{}^\circ \] |
A circle has: |
(a) No line of symmetry. |
(b) Four lines of symmetry |
(c) Two lines of symmetry. |
(d) An unlimited number of lines of symmetry. |
question_answer7) Simplify: \[\left( -20 \right)+\left( -8 \right)\div \left( -2 \right)\times 3\].
View Answer play_arrowquestion_answer8) Find the median of the data. 21, 15, 6, 25, 18, 13, 20, 9, 8, 12.
View Answer play_arrowquestion_answer9) PQR is a triangle, right angled at P. If PQ = 10 cm and PR = 24 cm. Find QR.
View Answer play_arrowquestion_answer11) Find the area of a square park whose perimeter is 320 m.
View Answer play_arrowWhich of the following shapes have rotational symmetry about the marked point? |
(i) |
(ii) |
(iii) |
(iv) |
Find: |
(a) \[\frac{7}{48}-\frac{17}{36}\] |
(b) \[\frac{5}{63}-\left( \frac{-6}{21} \right)\] |
(c) \[\frac{-6}{13}-\left( \frac{-7}{15} \right)\] |
(d) \[\frac{-3}{8}-\frac{7}{11}\] |
In the figure, AB = AC and D is the mid-point of\[\overline{BC}\]. |
(a) State the three pairs of equal parts in \[\Delta \]ADB and \[\Delta \]ADC |
(b) Is\[\Delta ADB\cong \Delta ADC\]? Give reasons. |
(c) Is \[\angle B=\angle C?\]Why? |
question_answer20) Find the value of \[\angle \]AOB in the given figure.
View Answer play_arrowState True or False: |
(a) A number x divided by 7 gives 2 can be written as \[\frac{x-1}{7}=2\] |
(b) x + 2 = 5 and 3x - 1 = 8 have the same solutions. |
(c) The equation 3x + 7 =10 has 1 as its solution. |
Multiply and reduce to lowest form (if possible): |
(a) \[\frac{2}{3}\times \frac{5}{4}\] |
(b)\[\frac{1}{3}\times \frac{15}{8}\] |
(c) \[\frac{4}{5}\times \frac{12}{7}\] |
question_answer25) The population of four major cities in India in a particular year is given below:
City | Mumbai | Kolkata | Delhi | Chennai |
Population | 120 | 130 | 150 | 80 |
Solve the following equations: |
(a) \[2y+\frac{5}{2}=\frac{37}{2}\] |
(b) 5t + 28 = 10 |
(C) \[\frac{a}{5}+3=2\] |
(d) \[\frac{q}{4}+7=5\] |
Find the value of unknown x in the following diagrams: |
(a) |
(b) |
(c) |
(d) |
question_answer29) If\[{{(25)}^{n-1}}+100={{5}^{(2n-1)}}\], find the value of n.
View Answer play_arrowGive (a) an oblique sketch and (b) an isometric sketch for each of the following; |
(i) A cuboid of dimensions 3 cm, 3 cm and 2 cm. (Is your sketch unique?) |
(ii) A. cube with an edge 4 cm long. |
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