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Main Subjects MCQs With Answers
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A train 300 m long crosses a pole in 15 seconds. What is the speed of the train in km/h?
A60 km/h
B72 km/h
C80 km/h
D90 km/h
The HCF of two numbers is 16 and their product is 3072. What is their LCM?
A120
B160
C192
D240
The average age of 24 students and their teacher is 15 years. If the teacher’s age is excluded, the average age decreases by 1 year. What is the teacher’s age?
A38 years
B39 years
C40 years
D41 years
What is the compound interest on Rs. 5,000 for 2 years at 12% per annum, compounded annually?
ARs. 1,200
BRs. 1,272
CRs. 1,320
DRs. 1,440
A trader sells an article at a loss of 12%. If he had sold it for Rs. 180 more, he would have gained 8%. Find the cost price of the article.
ARs. 800
BRs. 850
CRs. 900
DRs. 950
A and B together can do a work in 12 days. B alone can finish it in 30 days. In how many days can A alone finish the work?
A18 days
B20 days
C22 days
D25 days
If 4x + 3y = 18 and xy = 6, find the value of 16x^2 + 9y^2.
A180
B184
C188
D192
The perimeter of a rectangular field is 120 m and its length is 35 m. What is its area?
A875 m²
B900 m²
C925 m²
D950 m²
Two cards are drawn at random from a standard deck of 52 cards without replacement. What is the probability that both are aces?
A1/221
B1/169
C2/221
D1/13