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A train crosses a platform in 20s. If train speed is 72 km/h and length is 200m, find platform length.
A100m
B150m
C200m
D250m
A train 150m long travels at 54 km/h. How long will it take to cross a pole?
A8 seconds
B10 seconds
C12 seconds
D15 seconds
The LCM of two numbers is 48 and the ratio of the numbers is 2:3. Find the sum of the numbers.
A20
B30
C40
D50
Simple interest on a sum for 3 years at 5% per annum is Rs. 1,200. What is the compound interest on the same sum for 2 years at the same rate?
ARs. 820
BRs. 840
CRs. 860
DRs. 880
A shopkeeper sells an item at 10% gain. If he had bought it at 10% less and sold it for Rs. 2 less, he would have gained 16 2/3%. Find the cost price.
ARs. 100
BRs. 120
CRs. 150
DRs. 200