Wheel X rotates at a uniform speed of 8 revolutions per minute and wheel Y rotates at a uniform speed of 40 revolution per second. How long after they start rotating simultaneously,will wheel Y have e
When asked how many gold coins he had, the collector said,: If I arrange them in stake of five, none are left over. If I arrange them in stake of six, none are left over. If I arrange them in stak
In an election 10% of students did not vote and 60 votes recorded were declared invalid. The majority of elected candidate was 308 and it was found that he had been supported by 47% of the whole numbe
When a particular number is subtracted from each of 24,31,58,79 the values will be in proportion. The number to be subtracted is :
Average weight of 8 men increased by 1.5 kg when a man weighing 65 kg was replaced by a new man. The weight of new man is :
HCF of two numbers is 24 and their LCM is 1344. If difference between numbers is 24 then their sum is :