All questions
- Find the volume of a cone if the radius of its base is 1.5 cm and its perpendicular height is 5 cm. The correct Answer is 11.79 cm³ =11.79 cm³ 1
- A student uses her thumb to push a drawing pin (thumb tack) into a notice board. The pin goes into the board but does not penetrate her thumb. Answer: (D) The pressure of the pin on the notice board is greater than the pressure of the pin on her thumb. The force transmitted through... 1
- A man climbs a ladder. Which quantities can be used to calculate the useful power of the man? Answer: (C) the work done by the man and the time taken only Power is the rate of doing work: P = work done/time taken So the useful power n... 1
- Which source of energy is renewable? A coal B natural gas C oil D wind Answer: (D) wind A renewable source of energy is one that is replenished naturally and will not run out. Wind is produced continuously by th... 1
- Shantikunj is a thickly populated locality inhabited mainly by the working-class people. Unfortunately, there is no Mother 4 Shantikunj Delhi (Date) To, The Editor The New Indian Express Delhi Subject: Request for a Mother Dairy Milk BoothSir, Shantikunj is a ver... 1
- Accidents in big cities is a common phenomenon. Unfortunately, hardly anyone comes to the rescue of road victims because of fear of harassment by the police. 24, Raj Nagar Kanpur Uttar Pradesh (Date) The Editor National daily Kanpur Subject: To make people aware of Supreme Court guidelines sir , A... 1
- You are John/Jennifer, the incharge of tour and excursion club of Grand Public School, Agra. During the summer break, you are planning replace name with {John/Jennifer} [Your Name] Your Address City, State Date To, India Travel and Tour Agency Address City, State Pin Code De... 1
- You are Somita Roy, the librarian of ABC Public School, New Delhi. Write a letter to the Unique Book Co., New Delhi, complaining about the poor ABC Public School New Delhi Date: [insert date] To, Unique Book Co. [insert address] New Delhi Subject: Complaint about poor quality of book... 1
- You are Mr. Malik, the coordinator of the ABC Public School. Write a letter to place a bulk order for school uniform to M/S Sinha Garments. ABC Public School [insert address] [insert city, state, zip code] Date: [insert date] To, M/S Sinha Garments [insert address] [insert city,... 1
- Many complaints about unfair means being used in exams have been reported. Write a letter to the Editor 12 Fort Road, Kochi, May 10, 2023 The Editor, The National Daily, New Delhi Subject: Unfair Means in Exams Dear Sir/Madam, I am writing to e... 1
- The influence of friends can have both positive and negative impact on the students. Write a letter Formal letter to the editor on making peer influence positive. 24, Mall Road Chennai [Date] The Editor The Hindu Chennai Subject: Making pee... 1
- Our metropolitan cities witness a large number of accidents every day , Write a letter Formal letter to the editor about road accidents in metropolitan cities. 112, Model Town Delhi [Date] The Editor The Hindustan Times New Del... 1
- write a letter to the Editor of The Times of India expressing your views on the same. You may take ideas from the unit– Travel and Tourism besides your [Header] From: Ankit/Ankita Address: XYZ Colony, New Delhi Date: May 15, 2023 To: The Editor, The Times of India Subject: Importance of impr... 1
- You are Rizwan Ali, resident of 456, Rajouri Garden, New Delhi. Write a letter to the Editor of a national daily, drawing the attention of 456 Rajouri Garden New Delhi June 20, 2022 The Editor National daily Sub: deteriorating law and order situation in the city Sir I am writing... 1
- You are Rachna/Raghu, 15 Mall Road, Agra. You happen to see the following news item in a newspaper. Write a letter in about 100–120 words To, The Editor, [Name of the Newspaper], [Address], [City], Dear Sir/Madam, I am writing this letter to express my views on the recent news... 1
- Begin your story with the given line. Give a suitable title and moral to it (200- 250 words) I have always enjoyed taking long walk among Title: The Forest Teaches Kindness I have always enjoyed taking long walks among the forests near my grandfather's village. The tall trees,... 1
- The number of tourist going to hill station is increasing, this hasled to their commercialization and its ill effect - more and more hotels, garbage, Formal letter to the editor about the commercialisation of hill stations. [Sender's address] [Date] The Editor The Times of India New Delhi... 1
- You are Ashish/Aastha resident of 254, Vigyan Vihar, Madhya Pradesh. You are worried to see your younger brothers frequent habit of using internet Formal letter to the editor (format: sender's address, date, receiver's address, subject, salutation, body, closing). 254, Vigyan Vihar Madh... 1
- Complete the following table : Assign oxidation number to the underlined species and write Stock notation of compound Compound Oxidation number Stock notation Compound Oxidation number Stock notation AuCl₃ +3 Au(III)Cl₃ SnCl₂ +2 Sn(II)Cl₂ ceunderlineV₂O⁴⁻₇ +5 ceV2(V)O⁴-₇ ceunderlinePtCl²-₆ +4 cePt(... 1
- In which reaction does nitrogen exhibit variation of oxidation state from -3 to +5 ? In the following series of reactions, the oxidation number of nitrogen changes from –3 in NH3 to +5 in HNO3. −3 +2 ceundersetAmmonia4NH3_((g... 1
- In which chemical reaction does carbon exibit variation of oxidation state from -4 to +4 ? Write balanced chemical reaction. In combustion of methane, carbon exhibits variation from -4 to +4. The reaction is as follows: CH₄ + 2O₂ → CO₂ + 2H₂O In CH₄, the oxidation... 1
- Write the formula for the following compounds : A. Mercury(II) chloride B. Thallium(I) sulphate C. Tin(IV) oxide D. Chromium(III) oxide A. HgCl₂ B. Tl₂SO₄ C. SnO₂ D. Cr₂O₃ 2
- Birth, evolution and death of stars etc. are studied in branch of physics known as ............... (a) Thermodynamics (b) Quantum physics (c) Astrophysics Astrophysics deals with physical nature of stars and celestial bodies Thermodynamics deals with relation between heat and o... 1
- The range of time scale is about ............... (a) 10–10 sec to1026 sec (b) 10–22 sec to1018 sec (c) 10–15 sec to1015 sec (b) 10^(–22) sec to10¹⁸sec The range of time scale is 10^(–22) sec to 10¹⁸ sec. 1