q: In how many different ways can the letters of the word 'EVER' be arranged?
Options:
(A) 12
(B) 280
(C) 300
(D) 310
(E) 360
a: Number of ways = 4!/2! = 4X3X2X1/2X1 = 12 The answer is (A).
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q: A train running at the speed of 30 km/hr crosses a pole in 9 seconds. Find the length of the train?
Options:
(A) 75
(B) 65
(C) 25
(D) 288
(E) 212
a: Speed = 30*(5/18) m/sec = 25/3 m/sec
Length of Train (Distance) = Speed * Time
(25/3) * 9 = 75 meter The answer is (A).
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q: Rs.500 amounts to Rs.620 in 2 years at simple interest. If the interest is increased by 2%, it would amount to how much?
Options:
(A) 120
(B) 25
(C) 614
(D) 530
(E) 210
a: (500*3*2)/100 = 30
500+ 30 = 530 The answer is (D).
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q: Dacid obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?
Options:
(A) 32
(B) 88
(C) 77
(D) 99
(E) 75
a:
Average = (76 + 65 + 82 + 67 + 85)/5 = 375/5 = 75. The answer is (E).
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