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A train started at 9 AM from a station A with a speed of 72 km/hr. Another train after two
hours started from the station B towards A with a speed of 90 km/ph. The two trains are
expected to cross each other at 1.30 PM. At 12 noon because of the signals both the trains
reduced their speeds by the same quantity and they crossed each other at 4.30 PM. The
speed of the train, after 12 noon, that started from the station A, is

2+5÷7+7(9×8)

the sides of a parallelogram are 12 cm and 8 cm long and one of the diagonals is 10 cm long.if d is the length of other diagonal what is the range of the other diagonal

`In a class of 180 students rural and The ratio of urban students is 3: 5. In an examination the average of rural students Scores of 40% of urban students is more. If the average of all students The score is 69 so rural students What is the average score? (A) 92 (B) 84 (X) 76 (X) 80 `

`In a class of 180 students rural and The ratio of urban students is 3: 5. In an examination the average of rural students Scores of 40% of urban students is more. If the average of all students The score is 69 so rural students What is the average score? (A) 92 (B) 84 (X) 76 (X) 80 `

the sum of rupees 600 is divided in a b and c such that their areas are 14 more than 2 by 5 of a share of a office chair 20 rupees more than 2 by 7 of B share and rupees 10 more than 9 by 7 380 share sholar equal What is the share of a

Ramu sells milk after adultering x l of milk

Where can I see the entire syllabus divided month wise for preparation.

Can I get an explanation around maximising the area of a triangle when two sides of the triangle are given? Thanks in advance

If a²+b²–c²=0,then the value of [2(a^6+b^6+c^6)]/3a²b²c² is ?