Mistral Previous Years Solved Sample Placement Papers
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Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?
(A) 24
(B) 27
(C) 40
(D) Cannot be determined
Answer: (B) 27
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A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, how old is B?
(A) 7
(B) 8
(C) 9
(D) 10
Answer: (C) 9
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Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are:
(A) 39, 30
(B) 41, 32
(C) 42, 33
(D) 43, 34
Answer: (B) 41, 32
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What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
(A) 1
(B) 14
(C) 20
(D) 21
Answer: (C) 20
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A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:
(A) 6 hours
(B) 10 hours
(C) 15 hours
(D) 30 hours
Answer: (C) 15 hours
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A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is Rs. 855, the total profit is:
(A) Rs. 1425
(B) Rs. 1500
(C) Rs. 1537.50
(D) Rs. 1576
Answer: (B) Rs. 1500
- Find the statement that must be true:
Vincent delivers 37 newspapers every morning in 50 minutes. If he's unavailable, Thomas from the same street helps out.
(A) Vincent and Thomas live in the same neighborhood.
(B) It takes Thomas longer than 50 minutes.
(C) It is dark when Vincent starts.
(D) Thomas wants his own paper route.
Ans: A
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The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
(A) 200 m
(B) 225 m
(C) 245 m
(D) 250 m
Answer: (B) 225 m
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The banker's discount on a bill due 4 months hence at 15% is Rs. 420. The true discount is:
(A) Rs. 400
(B) Rs. 360
(C) Rs. 480
(D) Rs. 320
Answer: (C) Rs. 480
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The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. The present worth is:
(A) Rs. 480
(B) Rs. 520
(C) Rs. 600
(D) Rs. 960
Answer: (B) Rs. 520
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The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
(A) 4 years
(B) 8 years
(C) 10 years
(D) None of these
Answer: (A)
Explanation: Let the ages of children be x, (x + 3), (x + 6), (x + 9), and (x + 12). Then,
x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50
⇒ 5x = 20
⇒ x = 4
∴ Age of the youngest child = x = 4 years.
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Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q's age?
(A) 1 year
(B) 2 years
(C) 25 years
(D) Data inadequate
(E) None of these
Answer: (D)
Explanation: R - Q = Q - T ⇒ Q = T. Also, R + T = 50 ⇒ R + Q = 50. So, (R - Q) cannot be determined.
Three partners shared the profit in a business in the ratio 5 : 7 : 8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments?
(A) 5 : 7 : 8
(B) 20 : 49 : 64
(C) 38 : 28 : 21
(D) None of these
Answer: (B) 20 : 49 : 64