Kerala PSC Maths Questions and Answers 6

This page contains Kerala PSC Maths Questions and Answers 6 for psc exam preparations in Malayalam and English.

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101. 2,4,5,6,7,8 എന്നീ സംഖ്യകൾ കൊണ്ട് പൂർണമായി ഹരിക്കാവുന്ന ഏറ്റവും ചെറിയ സംഖ്യ ഏതാണ്

Answer: 840

102. Sight: Eyes:: Odour:?

Answer: Nose

103. ഒരു ചതുരത്തിന്‍റെ നീളവും വീതിയും 10 ശതമാനം കുറച്ചാല്‍ വിസ്തീര്‍ണം എത്ര ശതമാനം കുറയും ?

Answer: 19 ശതമാനം

104. - 8 - ( - 6 + 3) - നെ ലഘൂകരിച്ചാല്‍ കിട്ടുന്നത്

Answer: -17

105. Value of 1+2+3+........+20 is:

Answer: 210

106. Walking at 4 km an hour, a peon reaches his office 5 minutes late. If he walks at 5 km an hour, he will be 4 minutes too early. The distance of his office from the residence is—

Answer: 3 km

107. If the sides of a triangle are 8, 6, 10 cm respectively. Then its area is :

Answer: 48 cm2

108. In a river flowing at 2 km/h, a boat travels 32 km upstream and then returns downstream to the starting point. If its speed in still water be 6 km/h, find the total journey time.

Answer: 12 hrs

109. 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

Answer: 3p2-2

110. A man is 24 years older than his son. In two years, his age will be twice the age of his son. What is the present age of his son?

Answer: 22

111. 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):

Answer: 10

112. The average of seven consecutive numbers is 26. The largest among these is

Answer: 29

113. . (450%of 250)/375 = ?

Answer: 3

114. 24 പേർ ദിവസേന 8 മണിക്കൂർ ജോലി ചെയ്താൽ 10 ദിവസം കൊണ്ട്‌ ഒരു ജോലി തീരും .ദിവസേന 10 മണിക്കൂർ ജോലി ചെയ്ത്‌ 6 ദിവസം കോണ്ട്‌ ആ ജോലി തീർക്കാൻ എത്ര ആളുകൾ വേണം ?

Answer: 30

115. Find the missing number in the series 5, 10, 17, ___, 37, 50, 65

Answer: 26

116. Raju crosses a 600m long street in 5 minutes what is his speed in km per hour?

Answer: 7.2km/hr

117. The average of first 75 natural numbers is?

Answer: 38

118. A batsman make a score of 80 runs in his 16th innings and thereby increasing his average by 2 runs. Find his average after 16th innings

Answer: 50

119. Replace the question mark (?) in the following series? 241, 260, ?, 389, 465, 510

Answer: 298

120. Replace the question mark (?) in the following series? 8, 22, ?, 150, 382, 966

Answer: 58

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