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Instruction:
1.  The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is: 

Your Answer: Option Correct Answer: Option D Explanation: Let AB be the wall and BC be the ladder. Then, ACB = 60° and AC = 4.6 m.
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2.  A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should he mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3 : 5? 

Your Answer: Option Correct Answer: Option B Explanation: Answer: Option B Explanation: Let the cost of 1 litre milk be Re. 1
By the rule of alligation, we have:
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3.  If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is: 

Your Answer: Option Correct Answer: Option C Explanation:
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4. 


Your Answer: Option Correct Answer: Option B Explanation:
= 10^{150  146} = 10^{4} = 10000. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
5.  The sum of even numbers between 1 and 31 is: 

Your Answer: Option Correct Answer: Option C Explanation: Let S_{n} = (2 + 4 + 6 + ... + 30). This is an A.P. in which a = 2, d = 2 and l = 30 Let the number of terms be n. Then, a + (n  1)d = 30 2 + (n  1) x 2 = 30 n = 15.
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6.  10, 25, 45, 54, 60, 75, 80 

Your Answer: Option Correct Answer: Option C Explanation: Each of the numbers except 54 is multiple of 5. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
7.  A sum of Rs. 1360 has been divided among A, B and C such that A gets of what B gets and B gets of what C gets. B's share is: 

Your Answer: Option Correct Answer: Option C Explanation: Let C's share = Rs. x
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8.  3, 5, 7, 12, 17, 19 

Your Answer: Option Correct Answer: Option D Explanation: Each of the numbers is a prime number except 12.
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9.  At what time between 5.30 and 6 will the hands of a clock be at right angles? 

Your Answer: Option Correct Answer: Option B Explanation: At 5 o'clock, the hands are 25 min. spaces apart. To be at right angles and that too between 5.30 and 6, the minute hand has to gain (25 + 15) = 40 min. spaces. 55 min. spaces are gained in 60 min.
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10.  The certain worth of a certain sum due sometime hence is Rs. 1600 and the true discount is Rs. 160. The banker's gain is: 

Your Answer: Option Correct Answer: Option C Explanation:
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11. 


Your Answer: Option Correct Answer: Option C Explanation: (2^{2} + 4^{2} + 6^{2} + ... + 20^{2}) = (1 x 2)^{2} + (2 x 2)^{2} + (2 x 3)^{2} + ... + (2 x 10)^{2} = (2^{2} x 1^{2}) + (2^{2} x 2^{2}) + (2^{2} x 3^{2}) + ... + (2^{2} x 10^{2}) = 2^{2} x [1^{2} + 2^{2} + 3^{2} + ... + 10^{2}]
= (4 x 5 x 77) = 1540. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
12.  The angle between the minute hand and the hour hand of a clock when the time is 8.30, is: 

Your Answer: Option Correct Answer: Option B Explanation:
Required angle = (255  180)° = 75°. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
13.  If 1400 x x = 1050. Then, x = ? 

Your Answer: Option Correct Answer: Option D Explanation: 1400 x x = 1050 x =1050=314004 Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
14.  1904 x 1904 = ? 

Your Answer: Option Correct Answer: Option C Explanation:
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15.  How many times in a day, the hands of a clock are straight? 

Your Answer: Option Correct Answer: Option C Explanation: In 12 hours, the hands coincide or are in opposite direction 22 times. In 24 hours, the hands coincide or are in opposite direction 44 times a day. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
16.  Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is: 

Your Answer: Option Correct Answer: Option C Explanation: Let AB be the lighthouse and C and D be the positions of the ships. Then, AB = 100 m, ACB = 30° and ADB = 45°.
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17.  The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is: 

Your Answer: Option Correct Answer: Option B Explanation: Let P, Q and R represent their respective monthly incomes. Then, we have: P + Q = (5050 x 2) = 10100 .... (i) Q + R = (6250 x 2) = 12500 .... (ii) P + R = (5200 x 2) = 10400 .... (iii) Adding (i), (ii) and (iii), we get: 2(P + Q + R) = 33000 or P + Q + R = 16500 .... (iv) Subtracting (ii) from (iv), we get P = 4000. P's monthly income = Rs. 4000. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
18.  Which of the following numbers is divisible by each one of 3, 7, 9 and 11 ? 

Your Answer: Option Correct Answer: Option B Explanation: 639 is not divisible by 7 2079 is divisible by each of 3, 7, 9, 11. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum 
19.  The sum all even natural numbers between 1 and 31 is: 

Your Answer: Option Correct Answer: Option C Explanation: Required sum = (2 + 4 + 6 + ... + 30) This is an A.P. in which a = 2, d = (4  2) = 2 and l = 30. Let the number of terms be n. Then, t_{n} = 30 a + (n  1)d = 30 2 + (n  1) x 2 = 30 n  1 = 14 n = 15
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20.  A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is: 

Your Answer: Option Correct Answer: Option B Explanation:
Rs. 12 is an income on Rs. 100.
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