This page contains Kerala PSC Maths Questions and Answers 12 for psc exam preparations in Malayalam and English.

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**221. The ratio of cost price and selling price of a product is 20:21. What is the profit %
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**222. Father is aged three times more than his son Ram . After 8 years, he would be two and a half times of Ram's age. After further 8 years, how many times would he be of Ram's age?
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**223. രാജു രാവിലെ 6 മണിക്ക് കാറില് യാത്ര ചെയ്ത് 100.കി.മീറ്റര് അകലെയുള്ള നഗരത്തില് 10 മണിക്ക് എത്തിച്ചേര്ന്നു. എന്നാല് കാറിന്റെ ശരാശരി വേഗം എത്ര ?
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**224. താഴെ കാണുന്നവയില് പൂര്ണവര്ഗ്ഗ സംഖ്യയല്ലാത്തത് ഏത് ?
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**225. The three-fifth of a number is 40 more than the 40 percent of the same number. The number is :
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**226. A man is facing East, then the turns left and goes 10 m, then turns right and goes 5 m, then goes 5 m to the South and from there 5 m to West. In which direction is he, from his original place ?
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**227. A boat goes 24 km upstream and 28 km downstream in 6 hrs. It goes 30 km upstream and 21 km downstream in 6 hrs and 30 minutes. The speed of the boat in still water is:
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**228. 6 men and 8 women can complete a work in 10 days. 26 men and 48 women can finish the same work in 2 days. 15 men and 20 women can do the same work in - days.
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**229. P takes twice as much time as Q or thrice as much time as R to finish a piece of work. They can finish the work in 2 days if work together. How much time will Q take to do the work alone?
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**230. What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?
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**231. What is the greatest number which on dividing 1223 and 2351 leaves remainders 90 and 85 respectively?
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**232. 2 ഗോളങ്ങളുടെ വ്യാപ്തങ്ങൾ തമ്മിലുള്ള അംശബന്ധം 27:64 ആയാൽ ആരങ്ങൾ തമ്മിലുള്ള അംശബന്ധം എന്ത്?
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**233. Speed of a swimmer when moving in the direction perpendicular to the direction of the current is 16 km/h, speed of the current is 3 km/h. So the speed of the swimmer against the current will be (in km/h):
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**234. ഒരു കോഡ് ഭാഷയിൽ 'ABILITY' എന്നത് '1291292025' എന്ന് കോഡ് ചെയ്യുന്നു. ഇതിൽ 'CAPABLE'എന്നത് എങ്ങനെ കോഡ് ചെയ്യാം ?
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**235. An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?
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**236. Raju crosses a 600m long street in 5 minutes what is his speed in km per hour?
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**237. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
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**238. A and B are travelling from one point by different trains in opposite directions. The speed of A`s train is 40 km/hr and that of B`s train is 30 km/hr. How far away will A be from B after 3 hours
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**239. 200 രൂപ വിലയുള്ള ഒരു വാച്ച് 250 രൂപക്ക് വിറ്റപ്പോൾ ലാഭ ശതമാനം ?
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**240. ഏറ്റവും ചെറിയ നിസർഗ്ഗ സംഖ്യ ഏതാണ്
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Answer: 5

a. 2

b. 2.5

c. 2.70

d. 4

b. 2.5

c. 2.70

d. 4

Answer: 2

Answer: 30 കി.മീ / മണിക്കൂര്

Answer: 91

Answer: 80

Answer: North

Answer: 10 km/h

Answer: 4 days

Answer: 6

Answer: 1683

Answer: . 1133

Answer: 3:4

Answer: 10

Answer: 311612125

Answer: 180 degree

Answer: 7.2km/hr

Answer: 15 days

Answer: 210 km

Answer: 25%

Answer: 1