Let X = {1, 2, 3, 4, 5), Y = (1,3, 5, 7, 9), which of the following are relation from X to Y? i) R = {(1, 3) (2, 4) (3, 5) (4, 6) (5, 7) i) R, = ((1, 1) (2, 1) G, 3) (4, 3) (5, 5)) ii) R, = (1, 1) (1, 3) (3, 5) (3, 7) (5, 7)) iv) R, = {(1, 3) (2, 5) (4,7) (5, 9) (3, 1))​

Answer:

Explanation:

A microprocessor could be classified as a processing device in a computer.

• Microprocessors are processing devices that perform the logical arithmetic and control functions of a device.
• A microprocessor has three components that are ALU, a register array, and a control unit.
• This integrated circuit accepts binary data as input and then processes it with instruction stored in it and gives output in binary form.

Answer:

Explanation: π = iCRT

Answer:

6GEBCI PRELIMINARY EXAMINATION - (2021 / 2022) Std.: 10 (Eng. Med.) Date : 12-02 - 2021 Sub. : SCIENCE Marks : 80 Time :3 Hrs Section - A [24] * Answer the following Q1 to Q24 as asked :(Each carries 1 mark) : . Choose the correct option: 1. Due to the formation of which substance does silver article become black when kept in open . (a) HS (b) Ags (c) AgSO4 (d) Ag2S 2. The atomic number of elements A, B, C, D and E are 3, 11, 15, 18, 19 respectively. Which elements among them are of the same group? (a) A, B, C (b) B, C, D (c) A, D, E (d) A, B, E 3. What is coliform? (a) Group of bacteria (b) Group of viruses (c) Group of microorganisms (d) Group of diseases 4. Which of the following lenses will be selected to read small letters seen in dictionary? (a) convex lens having focal length 50 cm (b) concave lens having focal length 50 cm (c) convex lens having focal length 5 cm (d) concave lens having focal length 5 cm 5. For which colour the refractive index of glass is greater? (a) Violet (b) Green (c) Blue (d) Red 6. Afferent and efferent nerve fibres meet in (a) Brain (b) Spinal cord (c) Muscles (d) Heart Fill in the blanks : 7. Prema is watching rainbow at 7:00 am early morning in the month of August. Her

Answer:

Child labour and exploitation are the result of many factors, including poverty, social norms condoning them, lack of decent work opportunities for adults and adolescents, migration and emergencies. These factors are not only the cause but also a consequence of social inequities reinforced by discrimination.

Explanation:

Answer:

Below are some of the root causes which make children particularly vulnerable to child labour.

Poverty.

1.Lack of access to quality education.

2.Poor access to decent work.

3.Limited understanding of child labour.

4.Natural disasters & climate change.

5.Conflicts & mass migration.

6.Fighting child labour.

Explanation:

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