Question
Write the values of the following trigonometric ratios.
$\cos 30^{\circ}=\frac{⬜}{⬜}$
$\cos 30^{\circ}=\frac{⬜}{⬜}$
✓
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Pushpmala has invested ₹ 24,000 and purchased share of FV ₹ 20 at a premium of ₹ 4. Complete the following activity to find the number of shares she purchased.
Activity :
FV = ₹ 20
Premium = ₹ 4
MV = FV + ⬜
= 20 + ⬜
= ₹ 24
$\text { Number of shares } = \frac{\text { Total investmen }}{ MV } $
$=\frac{24,000}{\square}$
= ⬜ shares.
→Activity :
FV = ₹ 20
Premium = ₹ 4
MV = FV + ⬜
= 20 + ⬜
= ₹ 24
$\text { Number of shares } = \frac{\text { Total investmen }}{ MV } $
$=\frac{24,000}{\square}$
= ⬜ shares.
Dinesh Chemicals paid ₹ 1,80,000 GST for purchase of some chemicals and collected ₹ 2,50,000 GST at the time of sale. Complete the following activity to find the amount of GST payable by Dinesh Chemicals:
Some sequences are given below. Show the positions of the terms by $t_1, t_2, t_3, \ldots$
i. $7,7,7,7, \ldots$ Here $t_1=7, t_2=$⬜, $t_3=$ ⬜, ...
ii. $-2,-6,-10,-14, \ldots$ Here $t _1=-2, t _2=$⬜, $t_3=$⬜, ....
→i. $7,7,7,7, \ldots$ Here $t_1=7, t_2=$⬜, $t_3=$ ⬜, ...
ii. $-2,-6,-10,-14, \ldots$ Here $t _1=-2, t _2=$⬜, $t_3=$⬜, ....
Fill in the blanks with correct number
$\left|\begin{array}{ll}
3 & 2 \\
4 & 5
\end{array}\right|=3 \times \square-\square \times 4=\square-8=\square$
→$\left|\begin{array}{ll}
3 & 2 \\
4 & 5
\end{array}\right|=3 \times \square-\square \times 4=\square-8=\square$
Complete the following activity to determine the nature of the root of the quadratic equation $x^2 + 2x + 9 = 0$.
Compare $x^2+ 2x + 9 = 0$ with $ax^2 + bx + c = 0$.
→Compare $x^2+ 2x + 9 = 0$ with $ax^2 + bx + c = 0$.
Write the correct number in the given boxes from the following A. P.
70, 60, 50, 40, . . .
Here
$t_1$ = ⬜, $t_2$ = ⬜, $t_3$ = ⬜, ....
∴ a = ⬜, d = ⬜
→70, 60, 50, 40, . . .
Here
$t_1$ = ⬜, $t_2$ = ⬜, $t_3$ = ⬜, ....
∴ a = ⬜, d = ⬜
prove the theorem Opposite angles of a cyclic quadrilateral are supplementry.
Complete the activity to find the value of the determinant
