Kerala PSC Forest Range Officer Preliminary Paper 2016 – Maths

Kerala PSC Forest Range Officer Preliminary Paper 2016 – Maths

Out of 100 questions 10 are covered Mathematics

Find the largest number of four digits which is exactly divisible by 27,18,12,15
(a) 9740
(b) 9730
(c) 9720
(d) 9710

Robert is travelling on his cycle and has calculated to reach point A at 2 PM if he travels at 10 km/hr, he will reach there at 12 noon if he travels at 15 km/hr. At what speed must he travel to reach A at 1 PM ?
(a) 80
(b) 57
(c) 63
(d) 99

A batsman scored 120 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets ?
(a) 30%
(b) 40%
(c) 50%
(d) 60%

Total of the ages of A, B and C at present are 90 years. Ten years ago, the ratio of their ages was 1 : 2: 3. What is the age of B at present ?
(a) 20
(b) 30
(c) 40
(d) 50

Along a yard 225 meters long, 26 trees are planted at equal distances, one tree being at each end of the yard. What is the distance between two consecutive trees ?
(a) 8
(b) 9
(c) 10
(d) 11

Simplyfy, b-[b-(a+b)-{b-(b-a+b)}+2a]
(a) 0
(b) a
(c) 2a
(d) 4a

Rs. 800 becomes Rs. 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 3%, what amount will Rs. 800 become in 3 years ?
(a) 1,028
(b) 1,128
(c) 1,228
(d) 1,328

What least value should be replaced by # in 231#231 so the number become divisible by 9 ?
(a) 3
(b) 4
(c) 5
(d) 6

A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets into it. The mass of the man is
(a) 50 kg
(b) 60 kg
(c) 70 kg
(d) 80 kg

An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest, is
(a) 10:28 AM
(b) 10:29 AM
(c) 10:30 AM
(d) 10:31 AM