Kerala PSC Maths Questions and Answers 4
This page contains Kerala PSC Maths Questions and Answers 4 for psc exam preparations in Malayalam and English.
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61. Complete the series. 15,20,18,23, ____ ,26
Answer: 21
62. Father is aged three times more than his son Ram . After 8 years, he would be two and a half times of Ram's age. After further 8 years, how many times would he be of Ram's age?
a. 2
b. 2.5
c. 2.70
d. 4
b. 2.5
c. 2.70
d. 4
Answer: 2
63. Find the missing number in the series; 357, 180, 91, 46, –––, 11
Answer: 23
64. ഒരു സംഖ്യയുടെ 5 മടങ്ങില്‍ നിന്ന് 3 കുറച്ചാല്‍ 7 കിട്ടും എങ്കില്‍ സംഖ്യ ഏത്
Answer: 3
65. ഒരു പരീക്ഷയില്‍ കുട്ടികളില്‍ 70 0/0ഇംഗ്ലീഷിലും 65 0/0 കണക്കിലും ജയിച്ചപ്പോള്‍ 27 0/0 ഈ രണ്ടു വിഷയങ്ങള്‍ക്കും തോറ്റു. എങ്കില്‍ വിജയശതമാനം എത്ര
Answer: 62 0/0
66. 524.6 --202.9 + 1.25 - 182 .45 കാണുക
Answer: 140.50
67. An amount becomes Rs.11,300 in 2 years and Rs.12,600 in 4 years. The rate, if calculated at simple interest is :
Answer: 6.5%
68. In the following option, the number which is not a perfect square is :
Answer: 436217
69. പുരുഷൻമാരും 4 ആൺകുട്ടികളും ഒരു ജോലി 8 ദിവസം കൊണ്ട് ചെയ്തു തീർക്കും. അതെ ജോലി 2 പുരുഷൻമാരും 4 ആൺകുട്ടികളും അതെ ജോലി എത്ര ദിവസം കൊണ്ട് ചെയ്തു തീർക്കും ?
Answer: 12 Days
70. 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%
71. For which value of k, the number 3k5656 is a multiple of 9 :
Answer: 5
72. 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
73. 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
74. A ship 55 km from the shore springs a leak which admits 2 tonnes of water in 6 minutes, 80 tonnes would suffice to sink her, but the pumps can throw out 12 tonnes an hour. The average rate of sailing that she may just reach the shore as she begins to sink is
Answer: 5.5 km/h
75. .30% of a number is 120.Which is the number?
Answer: B=400
76. ഒരു വരിയിൽ ജയന്റെ റാങ്ക്‌ മുകളിൽ നിന്ന് 10-മതും താഴെ നിന്ന് 20 -മതും ആണെങ്കിൽ ആ വരിയിൽ ആകെ എത്ര കുട്ടികളുണ്ട്‌ ?
Answer: 29
77. 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
78. Three numbers are in the ratio of 2 : 3 : 4 and their L.C.M. is 240. Their H.C.F. is:
Answer: 20
79. Court : Justice ::Hospital : ?
Answer: Treatment
80. 1,1,2,4,3,9,4,16,5,........?
Answer: 25
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