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. 72കിലോമീറ്റർ / മണിക്കൂർ എന്നത് എത്ര മീറ്റർ / സെക്കൻറ് ആണ്?
Answer: 20
62. Which one of the following is not a prime number
a. 17
b. 23
c. 91
d. 71
b. 23
c. 91
d. 71
Answer: 71
63. 12 ആളുകള്‍ 10 ദിവസം കൊണ്ട് ചെയ്തു തീര്‍ക്കുന്ന ഒരു ജോലി 15 ആളുകള്‍ എത്ര ദിവസം കൊണ്ട് ചെയ്യും
Answer: 8
64. There are 50 students in a class. In a class test 22 students get 25 marks each, 18 students get 30 marks each. Each of the remaining gets 16 marks. The average mark of the whole class is :
Answer: 25
65. A word given in capital letters is followed by four words. Out of these only one cannot be formed by using the letters of the given word. Find out that word— REVOLUTIONARY
Answer: VOCATION
66. Foundation : Edifice : : Constitution : … ? …
Answer: Government
67. If the diameter of a circle is doubled.Its area is increased by _______times
a. 4
b. 2
c. 3
d. 1/2
b. 2
c. 3
d. 1/2
Answer: 4
68. 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
69. Speed of a speed-boat when moving in the direction perpendicular to the direction of the current is 25 km/h, speed of the current is 5 km/h. So, the speed of the boat against the current will be:
Answer: 15 km/hSol. Speed of boat = 25 – 5 = 20 km/h ∴ Speed of boat against the current = 20 – 5 = 15 km/h
70. What is the least number which when doubled will be exactly divisible by 12, 14, 18 and 22 ?
Answer: 1386
71. 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
72. The winner of Nobel Prize for Economics in 2017
Answer: Richard Thailor
73. First Digital State of India
Answer: Kerala
74. If A stands for +, B stands for –, C stands for x, then what is the value of (10C4) A (4C4) – 6 ?
Answer: 50
75. A train having a length of 240 metre passes a post in 24 seconds. How long will it take to pass a platform having a length of 650 metre?
Answer: 89
76. Successive discount of 10% and 20% are equivalent to a single discount of
Answer: 28%
77. 45 സ്ത്രീകളോ 15 പുരുഷന്‍മാരോ ഒരു ജോലി 12 ദിവസം കൊണ്ട് പൂര്‍ത്തിയാക്കും. എന്നാല്‍ ഇതേ ജോലി 5 പുരുഷന്‍മാരും 12 സത്രീകളും ചേര്‍ന്ന് എത്ര ദിവസം കൊണ്ട് പൂര്‍ത്തിയാക്കും
Answer: 20
78. ഒരു പരീക്ഷയില്‍ ജയിക്കാന്‍ 35% മാര്‍ക്ക് വേണം. ഒരാള്‍ക്ക് 96 മാര്‍ക്ക് കിട്ടിയപ്പോള്‍ 16 മാര്‍ക്കിന് തോറ്റു. പരീക്ഷയുടെ ആകെ മാര്‍ക്ക് എത്ര
Answer: 320
79. 7:X=17.5:22.5 ആയാല്‍ X ന്‍റെ വില എത്ര?
Answer: 9
80. ആദ്യത്തെ എ ത്ര എണ്ണല്‍ സംഖ്യകളുടെ തുകയാണ ് 105?
Answer: 14
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