Kerala PSC Maths Questions and Answers 18

This page contains Kerala PSC Maths Questions and Answers 18 for psc exam preparations in Malayalam and English.

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341. ക്ലാസിലെ ആകെ വിദ്യാർത്ഥികളിൽ ഗേൾസ് ബോയ്സിന്റെ മുന്നിരട്ടി വരും. എങ്കിൽ,താഴെയുള്ളവയിൽ ഏതാണ് ക്ലാസിലെ ആകെ വിദ്യാർത്ഥികളുടെ എണ്ണം അല്ലാത്തത്?
a. 42
b. 48
c. 44
d. 40

Answer: 42

342. 10വശങ്ങളുള്ള ബഹുഭുജം.അതിനു എത്ര കർണങ്ങൾ ഉണ്ട്?

Answer: 35

343. The enrolment of students in a school decreases from 800 to 760.What is the percentage of decrease?

Answer: 5%

344. Which is treated as the King of fruits?

Answer: Mango

345. Constitution forbids the employment of children below the age of -----------is dangerous jobs

Answer: 14

346. Volume of a sphere is 24.c.c. What is the volume of a sphere having half its radius?

Answer: 3.c.c

347. A radio isotope has a half life of 75 years. The fraction of the atoms of the element that would decay in 150 years will be :

Answer: 75%

348. A can do a piece of work in 4 hours . A and C together can do it in just 2 hours, while B and C together need 3 hours to finish the same work. B alone can complete the work in --- days.

Answer: 12 hours

349. P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in --- days if all of them are working together.

Answer: 3 ³⁄₇

350. The least number which should be added to 28523 so that the sum is exactly divisible by 3, 5, 7 and 8 is

Answer: 37

351. N is the greatest number which divides 1305, 4665 and 6905 and gives the same remainder in each case. What is the sum of the digits in N?

Answer: 4

352. A boy divided the numbers 7654, 8506 and 9997 by a certain largest number and he gets same remainder in each case. What is the common remainder?

Answer: 199

353. A student needed to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What is the value of x?

Answer: 7

354. ഒരു സമാന്തര പ്രോഗ്രഷന്റെ തുടർച്ചയായ 5 പദങ്ങളുടെ തുക 80 ആയാൽ മധ്യപദം എത്ര?

Answer: 16

355. 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

356. Rekha is taller than Asha. Deepa is as tall as Priti. Supriya is shorter than Veena. Sita is taller than Asha. Veena is shorter than Deepa. Who is the shortest ?

Answer: Supriya

357. The winner of Nobel Prize for Economics in 2017

Answer: Richard Thailor

358. If 204 ÷ 12.75 = 16, then 2.04 ÷ 1.275 = ?

Answer: 1.6

359. Find out the missing letter: B,E,H,K,N,-----

Answer: Q*

360. മേശ യുടെ വില 800 രൂപയും കസേ രയുടെ വില 200 രൂപയും ആണ് എങ്കില്‍ കസേ രയുടെ വില മേശയുടെ വില യുടെ എത്ര ശതമാന മാണ ്?

Answer: 25

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