## Railway Exams Stage one Practice Set – 3

Railway Exams Stage one Practice Set – 3
1. If A + B means A is the brother of B; A – B means A is the sister of B and A × B means A is the father of B. Which of the following shows that C is the son of M?
(A) M – N × C + F
(B) F – C + N × M
(C) N + M – F × C
(D) M × N – C + F
2. Which word does not form a group in the following questions?
(A) table
(B) chair
(C) wood
(D) cupboard
3. Statements:
No door is dog.
All the dogs are cats.
Conclusions:
1. No door is cat
2. No cat is door
3. Some cats are dog
4. All the cats are dogs
(A) Only (2) and (4)
(B) Only (1) and (3)
(C) Only (3) and (4)
(D) Only (3)
4. Which number should replace the question mark in the following table?
(A) 4
(B) 5
(C) 6
(D) 7
5. If in the word ‘DISTURBANCE’, the first letter is interchanged with the last letter, the second letter is interchanged with the tenth letter and so on, which letter would come after the letter T in the newly formed word ?
(A) S
(B) I
(C) T
(D) N
6. The cost of food accounted for 25% of the income of particular family. If the income gets raised by 20% then what should be the percentage decrease in the food expenditure so as expenditure unchanged?
(A) 3.5%
(B) 8.33%
(C) 4.16%
(D) 5 %
7. Ramesh deposited Rs.15,600 is a fixed deposit at the rate of 10% per annum at simple interest. After every second year, he adds his interest earnings to the principal. The total interest at the end of fourth year is
(A) Rs.6468
(B) Rs.6684
(C) Rs.6864
(D) Rs.6864
8. A person cover certain distance by Train, Bus and Car in ratio 4 : 3 : 2. The ratio of fair is 1 : 2 : 4 per km. The total expenditure of the fair is Rs.720. Then, the fare of train is
(A) Rs.140
(B) Rs.150
(C) Rs.160
(D) Rs.170
9. A shopkeeper calculates percentage profit on the buying price and another on the selling price. What will be their difference in profits if both claim a profit of 20% on goods sold for Rs.3000?
(A) Rs.200
(B) Rs.100
(C) Rs.400
(D) Rs.150
10. Two taps are running continuously to fill a tank. The 1st tap could have filled it in 5 hours by itself and the second one by itself could have filled it in 20 hours, but the operator failed to realise that there was a leak in the tank from the beginning which caused a delay for one hour in the filling of the tank. Find the time in which the leak would empty a filled tank:
(A) 15 hours
(B) 20 hours
(C) 25 hours
(D) 40 hours
11. Brass gets discoloured in air because of the presence of which of the following gases in air ?
(A) Oxygen
(B) Hydrogen sulphide
(C) Carbon dioxide
(D) Nitrogen
12. Guarantee to an exporter that the importer of his goods will pay immediately for the goods ordered by him, is known as
(A) Letter of Credit (L/C)
(B) laissezfaire
(C) inflation
(D) None of the above
13. Which of the following is a non metal that remains liquid at room temperature?
(A) Phosphorous
(B) Bromine
(C) Chlorine
(D) Helium
14. Who among the following Prime Ministers of India never had to seek trust vote (vote of confidence) from the Lok Sabha?
(A) Indira Gandhi
(B) P.V. Narasimha Rao
(C) H.D. Devegowda
(D) Manmohan Singh
15. Chlorophyll is a naturally occurring chelate compound in which central metal is
(A) copper
(B) Magnesium
(C) iron
(D) Calcium