Question
Complete the following table using given information.
✓
Answer
(i) MV =10 + 7= ₹ 17 (ii) at discount of 25 - 16 = ₹ 9 (iii) FV= ₹ 5.
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A card is drawn from a well-shuffled pack of 52 playing cards. Complete the following activity to find the probability of the event that the card drawn is a red card:
Suppose S is the sample space. .. n(S) = 52.
Event A Card drawn is a red card.
Suppose S is the sample space. .. n(S) = 52.
Event A Card drawn is a red card.
Write the values of the following trigonometric ratios.
$\cos 30^{\circ}=\frac{⬜}{⬜}$
→$\cos 30^{\circ}=\frac{⬜}{⬜}$
To check the rule for the terms of the sequence look at the arrangements and fill the empty boxes suitably.
-1, -1.5, -2, -2.5,…
-1, -1.5, -2, -2.5,…
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First term and common difference of an A.P. are 6 and 3 respectively ; find S27.
$a=6, d=3, S_{27}=?$
$S_n=\frac{n}{2}$[⬜ + (n - 1)d]
$\left.\therefore \quad S _{27}=\frac{27}{2}[12+(27-1) ⬜\right]$
$=\frac{27}{2} \times ⬜$
$=27 \times 45$ = ⬜
→$a=6, d=3, S_{27}=?$
$S_n=\frac{n}{2}$[⬜ + (n - 1)d]
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One of the roots of the quadratic equation $5 m^2+2 m+k=1$ is $-\frac{7}{5}$. Complete the following activity to find the value of k :
→Write the correct number in the given boxes from the following A. P.
1, 8, 15, 22, . . .
Here
a = ⬜, $t _1$ = ⬜, $t _2$ = ⬜, $t _3$ = ⬜
$t _2- t _1$ = ⬜ - ⬜ = ⬜
$t _3- t _2$ = ⬜ - ⬜ = ⬜
∴ d = ⬜
→1, 8, 15, 22, . . .
Here
a = ⬜, $t _1$ = ⬜, $t _2$ = ⬜, $t _3$ = ⬜
$t _2- t _1$ = ⬜ - ⬜ = ⬜
$t _3- t _2$ = ⬜ - ⬜ = ⬜
∴ d = ⬜
Two coins are tossed simultaneously. Complete the following activity of writing the sample space $(S)$ and expected outcomes of the events :
→| Draw a circle and take any point P on the circle. Draw ray OP |
| ↓ |
| Draw perpendicular to ray OP from point P |
