Question: A can do a certain work-in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in_________?

• 1. 15 days
• 2. 20 days
• 3. 25 days
• 4. 30 days

Question: A and B can do a work in 8 days, 13, and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in_________?

• 1. 4 days
• 2. 6 days
• 3. 8 days
• 4. 12 days

Question: A mixture of 70 liters of wine and water contains 10% water. How much water must be added to make water 12 ½% of the total mixture?

• 1. 12 liters
• 2. 10 liters
• 3. 4 liters
• 4. 2 liters

Question: In a factory, there are 40% technicians and 60% non-technicians. If the 60% of the technicians and 40% of non-technicians are permanent employees, then the percentage of workers who are temporary is________?

• 1. 32%
• 2. 42%
• 3. 52%
• 4. 62%

Question: 5% people of a village in Sri Lanka died by bombardment, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning?

• 1. 3800
• 2. 4200
• 3. 4400
• 4. 5500

Question: A salesman’s terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.1000 plus 2.5% commission on all sales exceeding Rs. 4,000. If his remuneration as per new scheme was Rs. 600 more than that by the previous schema, his

• 1. Rs. 14,000
• 2. Rs. 12,000
• 3. Rs. 30,000
• 4. Rs. 40,000

Question: A and B’s salaries together amount to Rs. 2,000. A spends 95% of his salary and B spends 85% of his. If now their savings are the same, what is A’s salary?

• 1. Rs.500
• 2. Rs.750
• 3. Rs.1250
• 4. Rs.1500

Question: An engineering student has to secure 36% marks to pass. He gets 130 marks and fails by 14 marks. The maximum No. of marks obtained by him is_________?

• 1. 300
• 2. 400
• 3. 350
• 4. 500

Question: If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.

• 1. 1/12
• 2. 1/8
• 3. 1/6
• 4. 1/4

Question: Subtracting 10% from X is the same as multiplying X by what number?

• 1. 80%
• 2. 90%
• 3. 10%
• 4. 50%