UKPSC FRO (Forest Range Officer) Pre Exam Paper 28 Nov 2021 (Official Answer Key)

141. Vani is 14th from the right end in a row of 40 girls. What is her position from the left end?
(a) 24
(b) 25
(c) 26
(d) 27

142. For a distribution the mode is 28 and the median is 30. Then the probable value of Arithmetic mean is :
(a) 31
(b) 36
(c) 30
(d) 58

143. The mid-values of the continuous class intervals of equal length of a distribution are 25, 34, 43, 52, 61, 70. Then the first class interval of the distribution is :
(a) 24.5 – 34.5
(b) 25-34
(c) 20 – 30
(d) 20.5 – 29.5

144. There are 5 different roads connecting Haridwar and Delhi. In how many ways can a person go from Haridwar to Delhi and return if he has to go by one road and return by a different road?
(a) 20
(b) 09
(c) 10
(d) 07

145. Three coins are tossed simultaneously. What is the probability that there will be exactly two heads?
(a) ⅛
(b) 2/8
(c) ⅜
(d) ⅝

146. A doctor gave to a patient 6 tablets and instructed him to take one tablet every 4 hours. If the patient takes first tablet at 4 PM, when would he take the last ?
(a) 12 Midnight
(b) 12 Noon
(c) 4 A.M.
(d) 4 P.M.

147. If the English alphabets are written in the reverse order and every alternate letter starting with Y is dropped, which letter will be exactly in the middle in the remaining alphabets?
(a) O
(b) M
(c) N
(d) P

148. Which of the following will have the same mirror image ?
(a) AXNXA
(b) CLOLC
(c) AOMDE
(d) AMUMA

149. Complete the following series, choosing the correct alternative :
aba_ba_b_bba
(a) aaa
(b) aab
(c) bab
(d) baa

150. If A means ‘+’, B means ‘-’. C means ‘x’ and D means ‘÷’, then the value of 16A14C6D3B6 is :
(a) 108
(b) 42
(c) 38
(d) 25

 

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