Question : Find the total cost of painting the outside of a closed cuboidal box, which is 7 m long, 5 m wide and 2 m high, at the rate of 2.4 per m2.
Option 1: INR 296.30
Option 2: INR 263.40
Option 3: INR 283.20
Option 4: INR 251.20
New: SSC MTS Tier 1 Answer key 2024 out
Don't Miss: Month-wise Current Affairs | Upcoming Government Exams
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: INR 283.20
Solution : Length, $l = 7$ m Breadth, $b = 5$ m Height, $h = 2$m Rate of painting = INR 2.4 per m2 Total surface area $=2(lb+bh+lh)$ $= 2 × (7 × 5 + 5 × 2 + 2 × 7)$ $= 2 × (35 + 10 +14)$ $= 2 × 59$ $= 118$ m2 Total price = 118 × 2.4 = INR 283.20 Hence, the correct answer is INR 283.20.
Application | Cutoff | Selection Process | Preparation Tips | Eligibility | Exam Pattern | Admit Card
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile