Mensuration 2D Test 12

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Batch 4 | Govt Exams

Mensuration 2D Test 12

25 bilingual MCQs from Mensuration 2D, including 5 fresh LearnAtMyPlace original supplemental questions with detailed solutions. Built for SSC, RRB and banking practice with preserved Hindi, ₹, ×, %, m², cm³ and reasoning symbols.

Questions

Duration

25 min

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+1 / -0.25

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Mensuration 2D | 25 questions

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Preview all 25 questions in Mensuration 2D Test 12 (no login required)

Mensuration 2D — Rhombus
1. Find the area of a rhombus whose diagonals are 35 cm and 15 cm. / 35 सेमी और 15 सेमी विकर्णों वाले समचतुर्भुज का क्षेत्रफल ज्ञात करें।
- A. 262.5 (Correct)
- B. 525
- C. 272.5
- D. 252.5
Explanation: Area = 1/2 × d1 × d2 = 262.5 cm². / क्षेत्रफल = 1/2 × d1 × d2 = 262.5 वर्ग सेमी।
Mensuration 2D — Path and garden
2. A rectangular garden 57 m by 27 m has a path of width 3 m running inside along the boundary. Find the area of the path. / 57 मीटर × 27 मीटर के आयताकार बगीचे में सीमा के अंदर 3 मीटर चौड़ा पथ है। पथ का क्षेत्रफल ज्ञात करें।
- A. 468 (Correct)
- B. 252
- C. 474
- D. 1539
Explanation: Path area = outer area - inner area = 1539 - (51×21) = 468 m². / पथ क्षेत्रफल = बाहरी क्षेत्रफल - आंतरिक क्षेत्रफल = 1539 - (51×21) = 468 वर्ग मीटर।
Mensuration 2D — Area cost
3. A rectangular wall is 83 m long and 53 m high. Painting cost is ₹10 per m². Find the painting cost. / एक आयताकार दीवार 83 मीटर लंबी और 53 मीटर ऊँची है। रंगाई की लागत ₹10 प्रति वर्ग मीटर है। लागत ज्ञात करें।
- A. 2720
- B. 44090
- C. 43890
- D. 43990 (Correct)
Explanation: Area = 83×53 = 4399 m²; cost = 4399×10 = ₹43990. / क्षेत्रफल = 83×53 = 4399 वर्ग मीटर; लागत = 4399×10 = ₹43990।
Mensuration 2D — Square
4. What is the perimeter of a square whose side is 23 cm? / 23 सेमी भुजा वाले वर्ग का परिमाप क्या है?
- A. 88
- B. 529
- C. 96
- D. 92 (Correct)
Explanation: Perimeter = 4×side = 4×23 = 92 cm. / परिमाप = 4×भुजा = 4×23 = 92 सेमी।
Mensuration 2D — Rectangle
5. The perimeter of a rectangle is 150 m and its length is 40 m. Find its area. / एक आयत का परिमाप 150 मीटर और लंबाई 40 मीटर है। उसका क्षेत्रफल ज्ञात करें।
- A. 6000
- B. 1440
- C. 1360
- D. 1400 (Correct)
Explanation: 2(l+b)=150; b=150/2-40=35. Area=40×35=1400 m². / 2(l+b)=150; b=150/2-40=35. क्षेत्रफल=40×35=1400 वर्ग मीटर।
Mensuration 2D — Rhombus
6. Find the area of a rhombus whose diagonals are 21 cm and 31 cm. / 21 सेमी और 31 सेमी विकर्णों वाले समचतुर्भुज का क्षेत्रफल ज्ञात करें।
- A. 335.5
- B. 651
- C. 315.5
- D. 325.5 (Correct)
Explanation: Area = 1/2 × d1 × d2 = 325.5 cm². / क्षेत्रफल = 1/2 × d1 × d2 = 325.5 वर्ग सेमी।
Mensuration 2D — Path and garden
7. A rectangular garden 73 m by 43 m has a path of width 3 m running inside along the boundary. Find the area of the path. / 73 मीटर × 43 मीटर के आयताकार बगीचे में सीमा के अंदर 3 मीटर चौड़ा पथ है। पथ का क्षेत्रफल ज्ञात करें।
- A. 660 (Correct)
- B. 666
- C. 3139
- D. 348
Explanation: Path area = outer area - inner area = 3139 - (67×37) = 660 m². / पथ क्षेत्रफल = बाहरी क्षेत्रफल - आंतरिक क्षेत्रफल = 3139 - (67×37) = 660 वर्ग मीटर।
Mensuration 2D — Area cost
8. A rectangular wall is 99 m long and 39 m high. Painting cost is ₹10 per m². Find the painting cost. / एक आयताकार दीवार 99 मीटर लंबी और 39 मीटर ऊँची है। रंगाई की लागत ₹10 प्रति वर्ग मीटर है। लागत ज्ञात करें।
- A. 38710
- B. 2760
- C. 38510
- D. 38610 (Correct)
Explanation: Area = 99×39 = 3861 m²; cost = 3861×10 = ₹38610. / क्षेत्रफल = 99×39 = 3861 वर्ग मीटर; लागत = 3861×10 = ₹38610।
Mensuration 2D — Mensuration 2D
9. Set 40229: Find the area of a rectangle of length 16 cm and breadth 12 cm. / ??? 40229: 16 ?? 12 ??? ??
- A. 192 cm^2 (Correct)
- B. 187 cm^2
- C. 197 cm^2
- D. 202 cm^2
Explanation: Area = length x breadth = 192 cm^2.
Mensuration 2D — Mensuration 2D
10. Set 40230: Find the area of a rectangle of length 17 cm and breadth 13 cm. / ??? 40230: 17 ?? 13 ??? ??
- A. 221 cm^2 (Correct)
- B. 216 cm^2
- C. 226 cm^2
- D. 231 cm^2
Explanation: Area = length x breadth = 221 cm^2.
Mensuration 2D — Mensuration 2D
11. Set 40231: Find the area of a rectangle of length 18 cm and breadth 14 cm. / ??? 40231: 18 ?? 14 ??? ??
- A. 252 cm^2 (Correct)
- B. 247 cm^2
- C. 257 cm^2
- D. 262 cm^2
Explanation: Area = length x breadth = 252 cm^2.
Mensuration 2D — Mensuration 2D
12. Set 40232: Find the area of a rectangle of length 19 cm and breadth 15 cm. / ??? 40232: 19 ?? 15 ??? ??
- A. 285 cm^2 (Correct)
- B. 280 cm^2
- C. 290 cm^2
- D. 295 cm^2
Explanation: Area = length x breadth = 285 cm^2.
Mensuration 2D — Mensuration 2D
13. Set 40233: Find the area of a rectangle of length 20 cm and breadth 16 cm. / ??? 40233: 20 ?? 16 ??? ??
- A. 320 cm^2 (Correct)
- B. 315 cm^2
- C. 325 cm^2
- D. 330 cm^2
Explanation: Area = length x breadth = 320 cm^2.
Mensuration 2D — Mensuration 2D
14. Set 40234: Find the area of a rectangle of length 21 cm and breadth 17 cm. / ??? 40234: 21 ?? 17 ??? ??
- A. 357 cm^2 (Correct)
- B. 352 cm^2
- C. 362 cm^2
- D. 367 cm^2
Explanation: Area = length x breadth = 357 cm^2.
Mensuration 2D — Mensuration 2D
15. Set 40235: Find the area of a rectangle of length 22 cm and breadth 18 cm. / ??? 40235: 22 ?? 18 ??? ??
- A. 396 cm^2 (Correct)
- B. 391 cm^2
- C. 401 cm^2
- D. 406 cm^2
Explanation: Area = length x breadth = 396 cm^2.
Mensuration 2D — Mensuration 2D
16. Set 40236: Find the area of a rectangle of length 23 cm and breadth 19 cm. / ??? 40236: 23 ?? 19 ??? ??
- A. 437 cm^2 (Correct)
- B. 432 cm^2
- C. 442 cm^2
- D. 447 cm^2
Explanation: Area = length x breadth = 437 cm^2.
Mensuration 2D — Mensuration 2D
17. Set 40237: Find the area of a rectangle of length 24 cm and breadth 20 cm. / ??? 40237: 24 ?? 20 ??? ??
- A. 480 cm^2 (Correct)
- B. 475 cm^2
- C. 485 cm^2
- D. 490 cm^2
Explanation: Area = length x breadth = 480 cm^2.
Mensuration 2D — Mensuration 2D
18. Set 40238: Find the area of a rectangle of length 25 cm and breadth 21 cm. / ??? 40238: 25 ?? 21 ??? ??
- A. 525 cm^2 (Correct)
- B. 520 cm^2
- C. 530 cm^2
- D. 535 cm^2
Explanation: Area = length x breadth = 525 cm^2.
Mensuration 2D — Mensuration 2D
19. Set 40239: Find the area of a rectangle of length 26 cm and breadth 22 cm. / ??? 40239: 26 ?? 22 ??? ??
- A. 572 cm^2 (Correct)
- B. 567 cm^2
- C. 577 cm^2
- D. 582 cm^2
Explanation: Area = length x breadth = 572 cm^2.
Mensuration 2D — Mensuration 2D
20. Set 40240: Find the area of a rectangle of length 27 cm and breadth 8 cm. / ??? 40240: 27 ?? 8 ??? ??
- A. 216 cm^2 (Correct)
- B. 211 cm^2
- C. 221 cm^2
- D. 226 cm^2
Explanation: Area = length x breadth = 216 cm^2.
Mensuration 2D — Percentage / प्रतिशत
21. 20% of 625 is: / 625 का 20% कितना है?
- A. 115
- B. 125 (Correct)
- C. 135
- D. 145
Explanation: 20% = 20/100, so answer = 125. / प्रतिशत को 100 से भाग देकर मूल संख्या से गुणा करें।
Mensuration 2D — Profit-Loss / लाभ-हानि
22. An article bought for Rs 1100 is sold at 15% profit. Find SP. / Rs 1100 में खरीदी वस्तु 15% लाभ पर बेची गई। SP ज्ञात करें।
- A. Rs 1225
- B. Rs 1265 (Correct)
- C. Rs 1305
- D. Rs 1345
Explanation: SP = CP x (100 + profit%)/100 = 1100 x 115/100 = Rs 1265. / लाभ प्रतिशत जोड़कर विक्रय मूल्य निकालें।
Mensuration 2D — Time & Work / समय और कार्य
23. A finishes a work in 12 days and B in 18 days. Together they finish in: / A 12 दिन और B 18 दिन में काम पूरा करते हैं। साथ में समय?
- A. 6.2 days
- B. 7.2 days (Correct)
- C. 8.2 days
- D. 9.2 days
Explanation: Combined time = ab/(a+b) = 12 x 18 / 30 = 7.2 days. / संयुक्त कार्य में दरें जोड़ी जाती हैं।
Mensuration 2D — Speed Conversion / चाल परिवर्तन
24. 54 km/h equals: / 54 किमी/घंटा बराबर है:
- A. 12 m/s
- B. 15 m/s (Correct)
- C. 18 m/s
- D. 20 m/s
Explanation: km/h to m/s conversion uses x 5/18. 54 x 5/18 = 15. / किमी/घंटा को मी/से में बदलने के लिए 5/18 से गुणा करें।
Mensuration 2D — Simplification / सरलीकरण
25. Simplify: 26 x 15 + 26 - 15. / सरल करें: 26 x 15 + 26 - 15.
- A. 393
- B. 401 (Correct)
- C. 409
- D. 417
Explanation: Apply BODMAS: 390 + 26 - 15 = 401. / पहले गुणा, फिर जोड़-घटाव करें।