A school bus picking up children in a colony of flats stops at every sixth block of flats. Another school bus starting from the same place stops at every eighth blocks of flats. Which is the first bus stop at which both of them will stop?

In a colony of 100 blocks of flats numbering 1 to 100, a school van stops at every sixth block while a school bus stops at every tenth block. On which stops will both of them stop if they start from the entrance of the colony?

A hoarding is fitted above a building.The height of the building is 12 m.When I look at the lights fitted on the top of the hoarding from a nearby bus stop,the angle of elevation is 50^@ and when i look at the top of the building (terrace) from the same bus stop the angle of elevation is 45^@.If the height of flat on each floor is equal to the height of the hoarding,the maximum no of floors in the building are:

A hoarding is sitted above a building. The height of the building is 12 m. When I look at the light sitted on top of the hoarding from a nearby busstop, the angle of elevation is 50^@ and when I look at the top of the building (terrace) from the same bus stop, the angle of elevation is 45^@. If the height of a flat on each floor is equal to the height of the hoarding, the maximum number of floors in the building are: (a) 2 (b) 5 (c) 4 (d) 7

A particle of mass m collides with another stationary particle of mass M such that the second particle starts moving and the first particle stops just after the collision. Then which of the following conditions must always be valid ?

Priya’s school bus was facing north-west when it reached her school. After starting from her house, the bus took one left turn, one right turn and another left turn to reach her school. In which direction was the bus facing when it left Priya’s house? प्रिया की स्कूल बस का मुख उत्तर-पश्चिम की तरफ था जब वह स्कूल पहुँची थी। उसके घर से खुलने के बाद बस एक बार बाएं, एक बार दायें तथा फिर से बाएं मुड़ी और उसके विद्यालय पहुँची। प्रिया के घर से खुलने के समय बस का मुख किस दिशा में था?

Three city tour buses leave the bus stop at 9:00 a.m. Bus A returns in every 30 minutes, Bus B returns in every 20 minutes and Bus C returns in every 45 minutes. What is the next time, all buses will return at the same time to the bus stop?