The 'Constitution Day' of India is observed on
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It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:
Which blood group is universal donor?
Nitric acid does not react with
Bronze is an alloy of
Oxide of which of the following will turn red litmus blue?
During a recession _____
The famous 'Hawa Mahal' is in which city of Rajasthan?