Q. Which of the following function(s) is an accurate description of the graph for the range(s) indicated? (i) 𝑦 = 2𝑥 + 4 for −3 ≤ 𝑥 ≤ −1 (ii) 𝑦 = |𝑥 − 1| for −1 ≤ 𝑥 ≤ 2 (iii) 𝑦 = ||𝑥| − 1| for −1 ≤ 𝑥 ≤ 2 (iv) 𝑦 […]
Q. The price of a wire made of a superalloy material is proportional to the square of its length. The price of 10 m length of the wire is Rs. 1600. What would be the total price (in Rs.) of two wires of lengths 4 m and 6m? (A) 768 (B) 832 (C) 1440 (D)
Q. A fruit seller sold a basket of fruits at 12.5% loss. Had he sold it for Rs. 108 more, he would have made a 10% gain. What is the loss in Rupees incurred by the fruit seller? (A) 48 (B) 52 (C) 60 (D) 108 Ans: 60 Sol:
Q. The temperature 𝑇 in a room varies as a function of the outside temperature 𝑇0 and the number of persons in the room 𝑝, according to the relation 𝑇 = Κ (Θ𝑝 + 𝑇0), where Θ and Κ are constants. What would be the value of Θ given the following data? 𝑻𝟎 𝒑 𝑻
Q. Tower A is 90 m tall and tower B is 140 m tall. They are 100 m apart. A horizontal skywalk connects the floors at 70 m in both the towers. If a taut rope connects the top of tower A to the bottom of tower B, at what distance (in meters) from tower
Q. Hema’s age is 5 years more than twice Hari’s age. Suresh’s age is 13 years less than 10 times Hari’s age. If Suresh is 3 times as old as Hema, how old is Hema? (A) 14 (B) 17 (C) 18 (D) 19 Ans: 19 Sol: Let Hari’s age (H) = x years As
Q. “It is no surprise that every society has had codes of behaviour; however, the nature of these codes is often_________ .”The word that best fills the blank in the above sentence is (A) unpredictable (B) simple (C) expected (D) strict Ans: Unpredictable
Q. “The driver applied the_________as soon as she approached the hotel where she wanted to take a__________.” The words that best fill the blanks in the above sentence are (A) brake, break (B) break, break (C) brake, brake (D) break, brake Ans: Brake, Break
Q. A rod shaped bacterium has a length of 2 µm, diameter of 1 µm and density the same as that of water. If proteins constitute 15% of the cell mass and the average protein has a mass of 50 kDa, the number of proteins in the cell is (1 Da = 1.6 ´ 10-24g)
Q. The product of complete digestion of the plasmid shown below with EcoRI and HaeIII was purified and used as a template in a reaction containing Klenow fragment of DNA polymerase, dNTPs and [a-32P]-dATP in a suitable reaction buffer. The product thus obtained was purified and subjected to gel electrophoresis followed by autoradiography. The number
