Solve for x: 3x + 7 = 22
A3
B4
C5
D6
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Archives: MCQs
A fraction becomes 1/2 when 1 is subtracted from the numerator and 1 is added to the denominator. If the original fraction is 3/5, what is the new fraction?
A2/6
B1/3
C2/5
D1/2
The price of petrol increased by 25%. By what percentage must a driver reduce consumption to keep expenditure constant?
A15%
B20%
C25%
D30%
If the cost price of 10 articles is equal to the selling price of 8 articles, what is the profit percentage?
A20%
B22.5%
C25%
D30%
What percentage of 2 hours is 18 minutes?
A12%
B15%
C18%
D20%
If 15 men can complete a project in 20 days, how many days will 10 men take to complete the same work?
A25 days
B30 days
C35 days
D40 days
A student scored 35, 45, 55, 65, and 75 marks in five subjects. What is the mean score?
A50
B55
C60
D65
If the ratio of two numbers is 3:4 and their sum is 84, find the larger number.
A36
B42
C48
D52
What is the average of the first 50 natural numbers?
A25.0
B25.5
C26.0
D26.5
A man buys a toy for Rs. 25 and sells it for Rs. 30. What is his gain percentage?
A15%
B20%
C25%
D30%