Uttarakhand Forest Ranger (Pre) Exam 2012 (General Studies) – Group C

141. An ore contains 14% copper. How many kg of ore are required to get 77 kg of copper ?
(a) 87.78 kg
(b) 66.22 kg
(c) 1078 kg
(d) 550 kg

142. If ‘Skeleton’ is related to ‘Body’, then in the same way Grammar’ is related to
(a) Sentence
(b) Science
(c) Language
(d) School

143. 3 men or 5 women can finish a piece of work in 12 days. How long will 6 men and 5 women take to finish the work ?
(a) 4 days
(b) 10 days
(c) 15 days
(d) 20 days

144. The difference between compound interest and simple interest on ₹8,000/- at 5% per annum for 3 years is
(a) ₹50
(b) ₹60
(c) ₹61
(d) ₹70

145. A box contains some black balls and 30 white balls. If the probability of drawing a black ball is ⅖ th of the white ball, the number of black balls in the box is
(a) 10
(b) 12
(c) 14
(d) 15

146. Three athletes A, B and C start at the same time in the same direction to run round a circular stadium. They complete a round in 45 seconds, 54 seconds and 36 seconds respectively. After what time will they meet again at the starting point ?
(a) 600 seconds
(b) 450 seconds
(c) 540 seconds
(d) 360 seconds

147. The average of three numbers is 28. The first number is half of the second and the third number is twice the second. The third number is
(a) 48
(b) 18
(c) 36
(d) 24

148. An article when sold at a loss of 10% yields ₹ 25 less than when it was sold at a gain of 2½%. The cost of the article is
(a) ₹100
(b) ₹150
(c) ₹250
(d) ₹200

149. In a certain code ‘AWAKE’ is written as ‘ZVZJD’, then ‘FRIEND’ will be coded as
(a) FQHDEM
(b) EQHDMC
(c) UQHDMF
(d) UQHDME

150. In which of the following sequence, the following words occur in the English dictionary ?
(i) Telegraph
(ii) Telephone
(iii) Teleprinter

(iv) Telemark
(V) Telepathy
(a) (i), (ii), (iii), (iv), (v)
(b) (V), (iv), (iii), (ii), (i)
(c) (i), (iv), (v), (ii), (iii)
(d) (ii), (iii), (i), (iv), (v)

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