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A mini-van crosses two people walking at the speed of 4.8km/h and 6 km/h in the same direction as that in which the mini-van is heading in 4.5 s and 9s, respectively. What is the length of the mini-van?

I am not able to see the content of complete cracku course in my account

Ria tried not to steal his brother's thunder but it was inevitable.

15 : 220 :: 100 : _

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from where I can get the notes?

I HAVE TAKEN THIS TEST SERIES ABOUT 8 MONTHS BEFORE...... BUT HAVEN"T USED IT,,,, SO ANYONE CAN SUGGEST ME HOW CAN WE USE THIS PLATFORM ......... SHOULD I GIVE MOCKS OR SECTIONAL?/??

- In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then
what is the value (in degrees) of ∠QPR?

- In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then
what is the value (in degrees) of ∠QPR?

a student take 1.25 hours to travel from home to school at the speed of 4 km per hour by what percentage should be increase his speed to reduce the time by 25% to cover the same distance from school to home