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Let the train will meet ‘t’ hours after the train from station Q started Distance travelled by train started from station P = 60 x 35/60 km Distance travelled by train started from station Q = (60 + 100) x t km Total distance between station P and Q = 675 km Now, 60 x (35/60) + (60 + 100) x t = 675 ⇒ 35 + 160t = 675 ⇒ 160t = 675 – 35 = 640 ⇒ t = 640/160 = 4 hours Distance travelled by train starting from station P at all meeting point = 35 + 60 x 4 = 275 km
4387897 – 3286871 – 51926 = ?
3 √(432 – 13 + 9 × 32) = ?
(√7225 x √1225)/(√625) = ?
The alarms of two alarm clocks sound at regular intervals of 72 seconds and 80 seconds. If they beep together for the first time at 6:00 am, at what tim...
78.89 × 81.03 – (16.83)² + 8.33% of 9602.87 = ? – 50.23
(16% of 550 – 22% of 700 + 45% of 800) = ?
5.45% of 1854 – 37.5% of 1096 = ? – 48% of 630
(2/?) x (3/16) x (2/15) x 60 = 1/3
(21 X 5) + ? = (480 - 120) ÷ 3
