If a boat goes a certain distance at 30 km/h and comes back the same distance at 20 km/hr, what is the average speed (in km/hr) for the total journey?
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Afghan-India Friendship Dam is
Afghan-India Friendship Dam is previously called as Salma Dam between India and Afghanistan on Hari river.
Find k, if the line 2x- 3y = 11 is perpendicular to the line 3x + ky = -4?
Raj sells a machine for Rs 51 lakhs at a loss. Had he sold it for Rs 60 lakh, his gain would have been 8 times the earlier loss. What is the cost price of the machine?
India has longest international border with which country?
The substances which reduce friction are called _________.
What will be the net discount (in %) of two successive discounts of 15% and 35%?
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