Kerala PSC Maths Questions and Answers 14
This page contains Kerala PSC Maths Questions and Answers 14 for psc exam preparations in Malayalam and English.
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261. ഒരു വൃത്തത്തിന്റെ ആരം 100% വര്‍ധിച്ചാല്‍ അതിന്റെ വിസ്തീര്‍ണത്തിലുള്ള വര്‍ധനവ് എത്ര ശതമാനമായിരിക്കും?
Answer: 300
262. പ്രതി വര്‍ഷം 8% നിരക്കില്‍ സാധാരണ പലിശക്ക് 5,000 രൂപ വായ്പ എടുത്ത ഒരാള്‍ മൂന്ന് വര്‍ഷം കഴിഞ്ഞ് കടം വീട്ടാന്‍ അടക്കേണ്ട തുക എത്ര
Answer: രൂ 6200
263. 3000 ത്തിന്‍റെ 1/2 ഭാഗം സജിയും 1/4 ഭാഗം വിജിയും വീതിച്ചെടുത്തു ഇനി എത്ര രൂപ ബാക്കിയുണ്ട് ?
Answer: 1500
264. മൂന്ന് വാഹനങ്ങളുടെ വേഗതയുടെ ratio 3:4:5., ഒരു നിശ്ചിത ദൂരം സഞ്ചരിക്കാൻ അവർ എടുക്കുന്ന സമയത്തിന്റെ ratio ?
Answer: 20:15:12
265. If ART is represented by 2697 then TAP is represented by:
Answer: 72611
266. The ratio between the radius of the base and the height of a cylinder is 2 : 3. If its volume is 1617 cm3, the total surface area of the cylinder is—
Answer: 770 cm2
267. The common difference of the A.P. a, a + d, a + 2d,… for which the 20th term is 10 more than the 18th term, is—
Answer: 5
268. Seema is the daughter-in-law of Sudhir and sister-in-law of Ramesh. Mohan is the son of Sudhir and only brother of Ramesh. Find the relation between Seema and Mohan—
Answer: Wife
269. .If a+b=7 and Square root of b(Square)-9=4 find’a’
Answer: 2
270. .If 5x-3x=2x(Square)/7,find x
Answer: 7
271. Praveen is able to do a piece of work in 15 days and Qureshi can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?
Answer: 8/15
272. A motorboat went the river for 14 km and then up the river for 9 km. If took a total of 5 hrs the entire journey. Find the speed of the river flow if the speed of the boat in still water is 5 km/h.
Answer: 2 km/h
273. . (450%of 250)/375 = ?
Answer: 3
274. Raj can do a piece of work in 5 hours. Hari and Siva can do it in 3 hours. Raj and Siva can do it in 4 hours. How long will Hari take to do it ?
Answer: 4 hours
275. How many ‘8’ are there followed by an even number and preceded by an odd number? 3825832832827848568784286
Answer: 3
276. Look at this series: 2, 6, 18, 54, ... What number should come next?
Answer: 162
277. There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate?
Answer: Rs. 3972
278. FISH = 66, SEA = 56, എങ്കില്‍ BOAT =
Answer: 70
279. 30 സെ.മീ. വ്യാസമുളള ഒരു ഗോളത്തില്‍ നിന്ന് 5 സെ.മീ. ആരമുളള എത്ര ഗോളങ്ങള്‍ ഉരുക്കിയെടുക്കാം?
Answer: 27
280. [(0.512)^1/3 + (0.008)^1/3 ] / [(0.512)^1/3 - (0.008)^1/3
Answer: 5/3
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