Question : The total surface area of a right circular cylinder with a radius of the base 7 cm and height 20 cm, is:
Option 1: 900 cm2
Option 2: 140 cm2
Option 3: 1000 cm2
Option 4: 1188 cm2
New: SSC CHSL Tier 2 answer key released | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: 1188 cm 2
Solution : Given: Radius, $r$ = 7 cm Height, $h$ = 20 cm we know that, Total surface area of right circular cylinder = $2\pi r(h+r)$ = $2 × \frac{22}{7}×7(20+7)$ = 2 × 22 × 27 = 1188 Hence, the correct answer is 1188 cm 2 .
Candidates can download this e-book to give a boost to thier preparation.
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Question : The total surface area of a cylinder whose radius is 6 cm and height is 8 cm is: (Use $\pi=\frac{22}{7}$)
Question : The sum of the radius of the base and the height of a cylinder is 42 m. If the total surface area of the cylinder is 6336 m2, find the curved surface area of the cylinder correct to two places of decimals (use $\pi=\frac{22}{7}$).
Question : If the slant height and radius of a right circular cone are 28 cm and 21 cm, respectively, then the total surface area of the right circular cone (in cm2) is: (Take $\pi=\frac{22}{7}$)
Question : A right pyramid stands on a square base of diagonal $10\sqrt2$ cm. If the height of the pyramid is 12 cm, the area (in cm2) of its slant surface is:
Question : The radius of a sphere is 3.5 cm. What is the total surface area of the sphere?
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile