Kerala PSC Maths Questions and Answers 19
This page contains Kerala PSC Maths Questions and Answers 19 for psc exam preparations in Malayalam and English.
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361. ഒരു ക്യാമ്പിൽ 100 പേർക്ക് 60 ദിവസത്തേക്കുള്ള ഭക്ഷണം ഉണ്ട്.പുതുതായി 20 പേർ കൂടി വന്നാൽ ഭക്ഷണം എത്ര ദിവസത്തേക്ക് തികയും?
Answer: 50
362. The ratio of length and breadth of a rectangle is 7:6. if perimeter is 52 then, what is the length of the rectangle?
Answer: 14
363. അച്ചുവിന് 15 വയസ്സും അമ്മുവിന് 6 വയസ്സും ഉണ്ട്. എത്ര വര്‍ഷങ്ങള്‍ കഴിഞ്ഞാല്‍ ഇവരുടെ വയസ്സുകളുടെ തുക 35 ആകും ?
Answer: 7
364. വിട്ടുപോയ ഭാഗത്ത് വരുന്ന സംഖ്യ ഏത് ? 3 ,6 ,11 ,18, ------38, 51
Answer: 27
365. ജനുവരി 1 ഞായറാഴ്ച ആണെങ്കിൽ ആ മാസത്തിൽ എത്ര വെള്ളിയാഴ്ചകൾ ഉണ്ടാകും ?
Answer: 4
366. മണിക്കൂറിൽ 20 കിലോമീറ്റര് വേഗതയുള്ള ഒരു തീവണ്ടിയുടെ നീളം 300 മീറ്റർ ആണ്. 700 മീറ്റർ നീളമുള്ള ഒരു പാലം മുറിച്ചു കടക്കാൻ ആ തീവണ്ടി എത്ര മിനിറ്റ് എടുക്കും?
Answer: 3 minute
367. A statement followed by two assumptions I and II is given. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You are to decide which of the given assumptions can definitely be drawn from the given statement. Indicate which one of the four given alternatives is correct ? Statement : If more encouragement is given to Sports, Indians will win more gold medals at the Olympic Games. Assumptions : I. Indians do not win gold medals. II. More encouragement in Sports leads to better performance.
Answer: Only II is valid
368. 3raise to n=81.Then 3 square root of 3 raise to n-1=……………….
Answer: 3
369. Average height of 10 students in a class is 150 cm. A boy of height 160 cm left the class and a boy of height 148 cm is admitted. Then what is the average height of the students in the class now?
Answer: 148.8
370. 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%
371. In a road map the scale is 1 cm = 8 km. If there are two places of cm apart is marked in that map. Then the actual distance between that places is :
Answer: 6 km
372. If the sides of a triangle are 8, 6, 10 cm respectively. Then its area is :
Answer: 48 cm2
373. Average of a,b,c is p and ab+bc+ca=3,What is the average of a2,b2,c2?
a. 3p2
b. p2-2
c. 3p2-2
d. 9p2
b. p2-2
c. 3p2-2
d. 9p2
Answer: 3p2-2
374. 31 ദിവസമുള്ള ഒരു മാസത്തിലെ രണ്ടാം ശനി പത്താം തീയതിയാണെങ്കില്‍ ആ മാസം എത്ര ഞായറാഴ്ചയുണ്ട് ?
Answer: 4
375. P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?
Answer: 15 days
376. Two numbers are in the ratio 2 : 3. If their L.C.M. is 48. what is sum of the numbers?
Answer: 40
377. What is the least multiple of 7 which leaves a remainder of 4 when divided by 6, 9, 15 and 18 ?
Answer: 364
378. .30% of a number is 120.Which is the number?
Answer: B=400
379. 1+ 2+ 3 + 4 + …………+50=?
Answer: 1275
380. He usually _____ here every Sunday
Answer: comes
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