Kerala PSC Maths Questions and Answers 17

This page contains Kerala PSC Maths Questions and Answers 17 for psc exam preparations in Malayalam and English.

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321. ആദ്യത്തെ 10 ഒറ്റ സംഖ്യകളുടെ ശരാശരി എത്ര?

Answer: 10

322. 10വശങ്ങളുള്ള ബഹുഭുജം.അതിനു എത്ര കർണങ്ങൾ ഉണ്ട്?

Answer: 35

323. The median of the following data is— 25, 34, 31, 23, 22, 26, 35, 26, 20, 32

Answer: 26

324. (2/3)raise to 5 x (2/3)raise to -4=………………..

Answer: 2/3

325. .If 5x-3x=2x(Square)/7,find x

Answer: 7

326. Prabha walks 60 meters in 2 minutes. How many minutes will she take to walk 240 meters?

Answer: 8

327. ഒരു സാധാരണ വര്‍ഷത്തിലെ മാര്‍ച്ച് ഒന്നാം തിയതി ശനിയാഴ്ചയാണെങ്കില്‍ ആ വര്‍ഷത്തിലെ ജൂണ്‍ പതിനഞ്ച് ഏതു ദിവസമായിരിക്കും.

Answer: ഞായര്‍

328. A and B can finish a work 30 days if they work together. They worked together for 20 days and then B left. A finished the remaining work in another 20 days. In how many days A alone can finish the work?

Answer: 60

329. What is the HCF of 2.04, 0.24 and 0.8 ?

Answer: 0.04

330. The average weight of 8 person’s increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?

Answer: 85

331. Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of the train during the whole journey?

Answer: 67.2 km /hr

332. In a row of boys Manu who is 8th from the left and Siju who is 9th from the right interchange their seats. Now Manu becomes 15th from left. How many boys are there in the row ?

Answer: 23

333. ഒരു പരീക്ഷയിൽ 42% കുട്ടികൾ ഗണിതത്തിലും 52% കുട്ടികൾ ഇംഗ്ലീഷിലും 17% കുട്ടികൾ രണ്ട്‌ വിഷയങ്ങളിലും തോറ്റു. എങ്കിൽ രണ്ട്‌ വിഷയങ്ങളിലും ജയിച്ചവർ എത്ര ശതമാനം.?

Answer: 23

334. Present ages of Kiran and Syam are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Syam's present age in years?

Answer: 24

335. 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?

Answer: 180 degree

336. Find the diagonal of a rectangle whose sides are 8m and 6m?

Answer: 10m

337. Which is odd one

Answer: Kandla

338. How many times in a day, the hands of a clock are straight?

Answer: 44 In 12 hours, the hands coincide or are in opposite direction 22 times. In 24 hours, the hands coincide or are in opposite direction 44 times a day.

339. If the square of a number is subtracted from the cube of that number, the result is 48 then the number is

Answer: 4

340. ( 4 25/36)^1/2

Answer: 2 1/6

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