1. Richard and Michael deposited $3000 and $4000 in a company at the rate of 10% per annum for 3 years and 2½ years respectively. The difference of the amounts received by them will be
🔘 A. $10
🔘 B. $100
🔘 C. $1000
🔘 D. $1100
🔘 E. $ – 1000
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Answer: D 1100 (formula of Simple interest I = (P × R × T)/100)
2. If 90% of x is 315 km, then the value of x is
🔘 A. 3 km
🔘 B. 30 km
🔘 C. 300 km
🔘 D. 315 km
🔘 E. -3 km
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Answer: D 315 KM. (90% of x is 315 km i.e (90/100) × x = 315)
3. The percent that represents the unshaded region in the figure.
🔘 A. 40%
🔘 B. 50
🔘 C. 60%
🔘 D. 70%
🔘 E. 75%
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Answer: A. 40% Total number of parts in the given figure = 10 × 10 = 100 and unshaded parts = (40/100) × 100
4. If the price of oil is decreased by 20% per barrel, then the new price of 3 barrel of oil originally costing $120 will be
🔘 A. $60
🔘 B. $82
🔘 C. $96
🔘 D. $100
🔘 E. $110
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Answer: $96 (new price of oil= 120 – 20% of original price therefore 120 – (20/100) × 120
5. Benicio purchased a vintage car for $50,59,700 and spent he $40300 on its repairs. To make a profit of 5%, he should sell the car for $ __?
6. Kylo bought 120 pens at $4 each. He sold 60 % of the pens at $5 each and the remaining at $3.50 each. If he made profit then find out his profit percentage.
🔘 A. 10%
🔘 B. 30%
🔘 C. 100%
🔘 D. 10.10%
🔘 E. 1%
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Answer: A 10% , Profit percentage = (Profit/CP) × 100
7. Joseph bought a certain number of apples out of which 4% were bad. After selling 75% of the remaining he had 96 apples. Find the number of apples he bought.
🔘 A. 300
🔘 B. 400
🔘 C. 600
🔘 D. 800
🔘 E. 900
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Answer: B 400
8. In a class test Charles needs to score minimum of 40% marks to pass. He scores 178 marks and fails by 22 marks. Find the maximum marks.
🔘 A. 200
🔘 B. 300
🔘 C. 400
🔘 D. 500
🔘 E. 1000
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Answer: D 500 Solution (200 × (100÷ 40))
9. During the pandemic, Richard’s salary was reduced by 10%. By what percent should his reduced salary be raised, so as to bring it at par with his original salary?
🔘 A. 10\frac12 %
🔘 B. 10%
🔘 C. 11\frac19 %
🔘 D. 11\frac12 %
🔘 E. 11%
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Answer: C 11\frac19 %
10. If A is increased by 20%, it equals B. If B is decreased by 50%, it equals C. Then ____ % of A is equal to C.
