Content Curator | Updated On - Jul 29, 2024
CBSE Class 10 Hindi B Question Paper 2024 PDF (Set 3- 4/5/3) is available for download here. CBSE conducted the Hindi B exam on February 21, 2024 from 10:30 AM to 1:30 PM. The total marks for the theory paper are 80. The question paper contains 20% MCQ-based questions, 40% competency-based questions, and 40% short and long answer type questions.
CBSE Class 10 Hindi B Question Paper 2024 (Set 3- 4/5/3) with Answer Key
| CBSE Class 10 Hindi B Question Paper 2024 PDF | CBSE Class 10 Hindi B Answer Key 2024 PDF |
|---|---|
| Download PDF | Download PDF |
CBSE X Questions
2. Prove the following identities, where the angles involved are acute angles for which the expressions are defined:\(\frac{(\text{1 + tan² A})}{(\text{1 + cot² A})} = (\frac{\text{1 - tan A }}{\text{ 1 - cot A}})^²= \text{tan² A}\)
Prove the following identities, where the angles involved are acute angles for which the expressions are defined:\(\frac{(\text{1 + tan² A})}{(\text{1 + cot² A})} = (\frac{\text{1 - tan A }}{\text{ 1 - cot A}})^²= \text{tan² A}\)
3. The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table :
Length (in mm)
Number of leaves
118 - 126
3
127 - 135
5
136 - 144
9
145 - 153
12
154 - 162
5
163 - 171
4
172 - 180
2
Find the median length of the leaves.
(Hint : The data needs to be converted to continuous classes for finding the median, since the formula assumes continuous classes. The classes then change to 117.5 - 126.5, 126.5 - 135.5, . . ., 171.5 - 180.5.)
The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table :
Length (in mm) | Number of leaves |
|---|---|
118 - 126 | 3 |
127 - 135 | 5 |
136 - 144 | 9 |
145 - 153 | 12 |
154 - 162 | 5 |
163 - 171 | 4 |
172 - 180 | 2 |
Find the median length of the leaves.
(Hint : The data needs to be converted to continuous classes for finding the median, since the formula assumes continuous classes. The classes then change to 117.5 - 126.5, 126.5 - 135.5, . . ., 171.5 - 180.5.)
4. Why are books referred to as a man’s best companion? Which is your favourite book and why? Write a paragraph about that book.
5. A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω , 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor?
6. Write the balanced chemical equations for the following reactions.
(a) Calcium hydroxide + Carbon dioxide \(→\) Calcium carbonate + Water
(b) Zinc + Silver nitrate \(→\) Zinc nitrate + Silver
(c) Aluminium + Copper chloride \(→\) Aluminium chloride + Copper
(d) Barium chloride + Potassium sulphate \(→\) Barium sulphate + Potassium chloride
(a) Calcium hydroxide + Carbon dioxide \(→\) Calcium carbonate + Water
(b) Zinc + Silver nitrate \(→\) Zinc nitrate + Silver
(c) Aluminium + Copper chloride \(→\) Aluminium chloride + Copper
(d) Barium chloride + Potassium sulphate \(→\) Barium sulphate + Potassium chloride
.jpeg?h=160&w=320&mode=crop)
Comments