CAT 2021 SLOT 2 QUANT - PART 2 - Solutions & Discussions | Learn from Past Year Papers | AMIYA SIR

Описание: In this session, Amiya Sir is discussing all Quant Questions of CAT 2021 and what can you expect in the upcoming examination on the basis of these questions.
To Watch Part A -    • CAT 2021 SLOT 2 QUANT - PART 1 - Solutions...  
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Time Stamp :
0:00 CAT 2021 Quant Slot 2 Complete Question, Solution & Discussion, Analysis

5:50 Two trains A and B were moving in opposite directions, their speeds being in the ratio 5 : 3. The front end of A crossed the rear end of B 46 seconds after the front ends of the trains had crossed each other. It took another 69 seconds for the rear ends of the trains to cross each other. The ratio of length of train A to that of train B is

23:00 - Three positive integers x, y and z are in arithmetic progression. If y – x 2 and xyz = 5(x + y + z), then z – x equals

28:25 - For all real values of x, the range of the function f(x) = (x^2+2x+4)/(2x^2+4x+9) is

38:28 - Two pipes A and B are attached to an empty water tank. Pipe A fills the tank while pipe B drains it. If pipe A is opened at 2 pm and pipe B is opened at 3 pm, then the tank becomes full at 10 pm. Instead, if pipe A is opened at 2 pm and pipe B is opened at 4 pm, then the tank becomes full at 6 pm. If pipe B is not opened at all, then the time, in minutes, taken to fill the tank is

42:57 - Consider the pair of equations x2 – xy – x = 22 and y2 – xy + y = 34. If x y, then x – y equals

57:58 Raj invested ₹ 10000 in a fund. At the end of first year, he incurred a loss but his balance was more than ₹ 5000. This balance, when invested for another year, grew and the percentage of growth in the second year was five times the percentage of loss in the first year. If the gain of Raj from the initial investment over the two year period is 35%, then the percentage of loss in the first year is

1:02:23 Suppose one of the equation ax2 – bx + c = 0 is 2 + √3, where a, b and c are rational numbers and a ≠ 0. If b = c3 then |a| equals
1:07:23 The number of ways of distributing 15 identical balloons, 6 identical pencils and 3 identical erasers among 3 children, such that each child gets at least four balloons and one pencil, is  

1:14:40 For a real number x the condition |3x−20|+|3x−40|=20 necessarily holds if

1:23:59 - Anil can paint a house in 60 days while Bimal can paint it in 84 days. Anil starts painting and after 10 days, Bimal and Charu join him. Together, they complete the painting in 14 more days. If they are paid a total of ₹ 21000 for the job, then the share of Charu, in INR, proportionate to the work done by him, is

1:29:48 A person buys tea of three different qualities at ₹ 800, ₹ 500, and ₹ 300 per kg, respectively, and the amounts bought are in the proportion 2 : 3 : 5. She mixes all the tea and sells one-sixth of the mixture at ₹ 700 per kg. The price, in INR per kg, at which she should sell the remaining tea, to make an overall profit of 50%, is



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