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A motorist travels to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/ hr. His average speed for the whole journey in km/hr is
A number being divided by 52 gives remainder 45. If the number is divided by 13, the remainder will be
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:
A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by
A number is decreased by 10% and then increased by 10%. The number so obtained is 10 less than the original number. What was the oiginal number ?
A number of friends decided to go on a picnic and planned to spend Rs. 96 on eatables. Four of them, however, did not turn up. As a consequence, the remaining ones had to contribute Rs. 4 each extra. The number of those who attended the picnic was
A number when divided by 192 gives a remainder of 54. What remainder would be obtained on dividing the same number by 16 ?
A number when divided by 5 leaves a remainder 3. What is the remainder when the square of the same number is divided by 5 ?
A number when divided by 6 leaves remainder 3. When the square of the same number is divided by 6, the remainder is :
A number when divided by 91 gives a remainder 17. When the same number is divided by 13, the remainder will be ?
