Day 41 of 60 · Mon 9 Nov · Daily workbook · CAT in 20 days

Day 41: Time, Speed & Distance + Arrangements Set + Culture & Society RC

Day 41 of the free ThinkCAT 60-day CAT challenge: 5 time, speed & distance questions and 3 spaced-review QA questions, a full arrangements DILR set (4 questions), a culture & society RC passage (4 questions), plus para summary and para jumbles. Every question is a real CAT PYQ.

QA · 8
DILR · 4
VARC · 6
40 minutes
Real CAT questions

Concept card

Time, Speed & Distance

Core formulas

D = S × T; km/h × 5/18 = m/s
Equal distances: average speed = 2ab/(a + b)
Relative speed: a + b opposite ways, a − b same way
Circular track L: first meeting after L/(a − b) same way, L/(a + b) opposite

60-second shortcut · The √ meeting rule

Start together from opposite ends, meet, then take t₁ and t₂ to finish: speeds A : B = √t₂ : √t₁.

Trap box

Looks like: 30 km/h out, 60 km/h back: average 45Actually: 2 × 30 × 60 ÷ 90 = 40 km/h
Looks like: Train crossing a platform: use the train lengthActually: Add both lengths: (L₁ + L₂) ÷ speed

From the free Arithmetic Formula + Trap Book (PDF).

What's in Day 41

QA: Time, Speed & Distance (5) + 3 spaced-review questions
DILR: Arrangements set, 4 questions
RC: Culture & Society passage
VA: Para Summary, Para Jumbles

Year, slot and question number for each question appear with the answer key after you submit.

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