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The construction of the Qutub Minar in Delhi was begun by: Answer: B. Qutb-ud-din Aibak Answer: (B) Qutb-ud-din Aibak Qutb-ud-din Aibak began the Qutub Minar around 1199; his successor Iltutmish adde... Indian history 1 answer
Who appoints the Governor of a state in India? Answer: A. The President Answer: (A) The President Under Article 155, the Governor is appointed by the President by warrant under his hand a... Indian polity 1 answer
Black soil (regur) is best suited for the cultivation of which crop? Answer: D. Cotton Answer: (D) Cotton Black soil, formed from Deccan basalt, holds moisture well and is called black cotton soil because it i... Indian geography 1 answer
Who is the chairperson of the GST Council? Answer: A. The Union Finance Minister Answer: (A) The Union Finance Minister Under Article 279A, the GST Council is chaired by the Union Fin... Indian economy 1 answer
What is the SI unit of electric current? Answer: B. Ampere Answer: (B) Ampere Electric current is measured in amperes (A), one of the seven SI base units. Volt is the unit of potent... Electricity and magnetism 1 answer
Deficiency of iodine in the diet causes which disease? Answer: C. Goitre Answer: (C) Goitre Iodine is needed to make the thyroid hormone thyroxine; its lack causes goitre (swelling of the thyroid... Nutrition and diseases 1 answer
What is the chemical formula of Plaster of Paris? Answer: D. CaSO ₄ ·½H ₂ O Answer: (D) CaSO ₄ ·½H ₂ O Plaster of Paris is calcium sulphate hemihydrate, CaSO ₄ ·½H ₂ O, made by heating gypsu... Acids, bases and salts 1 answer
Which type of mirror is used as a rear-view mirror in vehicles? Answer: A. Convex mirror Answer: (A) Convex mirror A convex mirror always forms an erect, diminished image and gives a wider field of view,... Light 1 answer
The Hornbill Festival is celebrated in which state? Answer: D. Nagaland Answer: (D) Nagaland The Hornbill Festival is held every December (1–10) at Kisama Heritage Village near Kohima, Nagalan... Art and culture 1 answer
A can do a piece of work in 16 days and B can do it in 24 days. They work together for 6 days and then A leaves. In how many more days will B finish the remaining work? Answer: B. 9 days Answer: (B) 9 days In 6 days together: 6(1/16 + 1/24) = 6 × 5/48 = 5/8 . Remaining 3/8 ; B needs 3/8 × 24 = 9 days. Time and work 1 answer
Pipe A can fill a tank in 12 minutes and pipe B in 15 minutes, while pipe C can empty the full tank in 20 minutes. If all three are opened together on an empty tank, in how much time will the tank be filled? Answer: C. 10 minutes Answer: (C) 10 minutes Net part filled per minute = 1/12 + 1/15 - 1/20 = 5 + 4 - 3/60 = 1/10 . So the tank fills in 10... Pipes and cisterns 1 answer
A train 180 m long crosses a pole in 9 seconds. How long will it take to cross a platform 270 m long? Answer: B. 22.5 seconds Answer: (B) 22.5 seconds Speed = 180/9 = 20 m/s. To cross the platform it covers 180 + 270 = 450 m: 450/20 = 22.5 s. Time, speed and distance 1 answer
Two trains 150 m and 210 m long are running in opposite directions on parallel tracks at 45 km/h and 63 km/h. In how much time will they completely cross each other? Answer: C. 12 seconds Answer: (C) 12 seconds Relative speed (opposite directions) = 45 + 63 = 108 km/h = 108 × 5/18 = 30 m/s. Distance = 150... Time, speed and distance 1 answer
In what ratio must rice costing ₹42 per kg be mixed with rice costing ₹54 per kg so that the mixture is worth ₹46 per kg? Answer: D. 2 : 1 Answer: (D) 2 : 1 Alligation: cheaper : dearer = (54 - 46) : (46 - 42) = 8 : 4 = 2 : 1 . Mixture and alligation 1 answer
In \(\triangle ABC\), \(\angle A = 80^\circ\). The bisectors of the exterior angles at B and C meet at O. Find \(\angle BOC\). Answer: B. 50^° Answer: (B) 50^° For the excentre formed by the external bisectors at B and C: ∠ BOC = 90^° - ∠ A/2 = 90^° - 40^° = 50^° . (... Geometry 1 answer
Find the total surface area of a closed cylinder of radius 14 cm and height 6 cm. (Take \(\pi = \frac{22}{7}\).) Answer: A. 1760 cm ² Answer: (A) 1760 cm ² TSA = 2π r(r + h) = 2 × 22/7 × 14 × 20 = 88 × 20 = 1760 cm ² . (528 is only the curved surface ar... Mensuration 1 answer
If \(\cos\theta = \frac{5}{13}\) and \(\theta\) is acute, find the value of \(\csc\theta + \cot\theta\). Answer: C. 3/2 Answer: (C) 3/2 With adjacent side 5 and hypotenuse 13, the opposite side is 12. cscθ = 13/12 , cotθ = 5/12 . Sum = 18/12 = 3... Trigonometry 1 answer
The table shows the sales (in thousand units) of a company over five years.Year20212022202320242025Sales240300270360405By what percentage did the sales increase from 2023 to 2025? Answer: A. 50% Answer: (A) 50% Increase = 405 - 270 = 135 . Percentage = 135/270 × 100 = 50% . Data interpretation 1 answer
The Harappan site of Lothal, known for its dockyard, is located in which present-day state of India? Answer: C. Gujarat Answer: (C) Gujarat Lothal lies in Ahmedabad district, Gujarat, and has the earliest known dockyard of the Indus Valley C... Indian history 1 answer
Which Article of the Constitution of India abolishes untouchability? Answer: D. Article 17 Answer: (D) Article 17 Article 17 abolishes untouchability and forbids its practice in any form. Article 14 is equalit... Indian polity 1 answer
Under the Constitution of India, what is the maximum gap allowed between two sessions of Parliament? Answer: C. 6 months Answer: (C) 6 months Article 85 says six months must not pass between the last sitting of one session and the first sitt... Indian polity 1 answer
The idea of Fundamental Duties in the Indian Constitution was borrowed from the constitution of which country? Answer: B. The former USSR Answer: (B) The former USSR Fundamental Duties (Article 51A, added by the 42nd Amendment, 1976) were inspired by... Indian polity 1 answer
Which river flows westward through a rift valley between the Vindhya and Satpura ranges? Answer: A. Narmada Answer: (A) Narmada The Narmada rises at Amarkantak and flows west through a rift valley between the Vindhyas and the Sat... Indian geography 1 answer
The Standard Meridian of India (82°30′ E) passes through which of the following states? Answer: C. Odisha Answer: (C) Odisha 82°30′ E passes through Uttar Pradesh (near Mirzapur), Madhya Pradesh, Chhattisgarh, Odisha and Andhra... Indian geography 1 answer

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