Kerala PSC Maths Questions and Answers 1
This page contains Kerala PSC Maths Questions and Answers 1 for psc exam preparations in Malayalam and English.
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1. Complete the series. 15,20,18,23, ____ ,26
Answer: 21
2. 4, 9, 25, 49, 121, 169, ................
Answer: 289
3. 8 പുരുഷന്മാർക്കോ 12 സ്ത്രീകൾക്കോ ഒരു ജോലി തീർക്കാൻ 25 ദിവസം വേണം. അതെ ജോലി തീർക്കാൻ 6 പുരുഷൻമാർക്കും 11 സ്ത്രീകൾക്കും കൂടി എത്ര ദിവസം വേണം ?
Answer: 15 days.
4. ഒരു പെട്ടിയിൽ 70% കറുത്ത പന്ത്കളും ബാക്കി വെളുത്ത പന്ത്കളും ഉണ്ട്. കറുത്ത പന്ത്കൾ വെളുത്ത പന്ത്കളെക്കാൾ 20 എണ്ണം കൂടുതൽ ആണ് എങ്കിൽ ആകെ പന്ത്കൾ എത്ര ?
Answer: 50.
5. 2+16÷2×4-5 എത്ര?
Answer: 29
6. Value of 1 + 2 + 3 +..............+ 20 is :
Answer: 210
7. The price of sugar is increased by 25%. How much per cent should a man decrease his consumption so that there is no increase in his expenditure ?
Answer: 20%
8. Interest for money in the S.B.A/c is calculated today on a :
Answer: Daily basis
9. .The investments of three persons A,B and C in a business are in the ratio 2:3:4.If the total investment is Rs.2,70,000,the share of B is:
Answer: 90000
10. The savings of an employee is 1/5th of his salary.when he changes his savings to 1/6th of the salary,there is a difference of Rs.200.His salary is:
Answer: .6,000
11. What is the lowest common multiple of 12, 36 and 20?
Answer: 180
12. In an examination, a student’s average marks were 63. If he had obtained 20 more marks for his Geography and 2 more marks for his history, his average would have been 65. How many subjects were there in the examination?
Answer: 11
13. Speed of a man is 10 km/h in still water. If the rate of current is 3 km/h, then the effective speed of the man upstream is:
Answer: 7 km/h
14. 1+ 2+ 3 + 4 + …………+50=?
Answer: 1275
15. ഒരു കോഡ് ഭാഷയിൽ 'ABILITY' എന്നത് '1291292025' എന്ന് കോഡ് ചെയ്യുന്നു. ഇതിൽ 'CAPABLE'എന്നത് എങ്ങനെ കോഡ് ചെയ്യാം ?
Answer: 311612125
16. 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
17. Fill in the blank from the choices given below :PINDY : QMEX : : JRSF : ?
Answer: KQTE
18. Area of a rectangle of 5 metre length and 4 metre breadth is
Answer: 20m^2
19. The angle between the minute hand and the hour hand of a clock when the time is 4.20, is:
Answer: 10° Angle traced by hour hand in 13/3 hrs =(360/12 x 13/3)°= 130°. Required angle = (130 - 120)° = 10°.
20. Replace the question mark (?) in the following series? 5, 12, 38, 135, ?, 2875
Answer: 568
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