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What will come in the place of the question mark (?) in the following number series?
835,819,801,781,759,?
85, 84, 85, 83, 87, 83, 99, 91, ?
15, 31, 63, 127, ?, 511,
2,5,10,17,26,?,50
25,76,127,178,229,?
The price of 5 apples, 3 mangoes and 2 bananas is 43. The price of 4 apples, 2 mangoes and 1 banana is 31 and the price of 7 mangoes and 4 bananas is 40. Find the price of 1 apple, 1 mango and 1 banana.
A pipe fills a tank in 15 mins while a hole in the tank empties it in 30 mins. How long will it take to fill the tank?
A school has boys and girls in the ratio 7:5. If 30% of the total number of students play cricket and 50% of the boys play cricket, then the percentage of girls who play cricket is
The speed of a boat in still water is 20 km/hr and the speed of the stream is 4 km/hr. The boat starts from Allahabad and travels downstream to Varanasi. As soon as it reaches Varanasi, it heads back and travels towards Allahabad upstream. If the total time taken for the complete trip is 15 hours, then what is the distance between Allahabad and Varanasi?
Two persons have A and B no. of coins with themselves respectively. Six times the square of B is 540 more than square of A. The ratio of A and B is 3:2. FInd the number B?
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