Main Subjects
Main Subjects MCQs With Answers
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If 40% of a number is 160, what is 65% of that same number?
A240
B260
C280
D300
Find the missing number in the sequence: 3, 7, 15, 31, 63, ?
A125
B127
C128
D131
What is the LCM (Least Common Multiple) of 12, 18, and 24?
A48
B72
C96
D108
If a worker’s salary is increased by 10% and then decreased by 10%, what is the net change in salary?
ANo change
B1% increase
C1% decrease
D2% decrease
The ratio of two numbers is 4:7 and their sum is 132. What is the difference between the two numbers?
A24
B36
C42
D48
A train 200 meters long traveling at 72 km/h crosses a platform in 25 seconds. What is the length of the platform?
A250 m
B300 m
C350 m
D400 m
What is the radius of a circle whose circumference is 88 cm? (Use pi = 22/7)
A7 cm
B14 cm
C21 cm
D28 cm
If x – y = 6 and x * y = 16, what is the value of x^2 + y^2?
A52
B64
C68
D72