Hlw sir.. This is neha😋 I have doubt in this chapter that how can we know that where class mark and class size are to be used Plzz tell this ..... I really don't understand I am confused. Even my boards are coming 7th march
Places A and B are 80 km apart from each other on highway A car starts from a point a and another from b at a same time if they are move send in same Direction they meet in 8 hours and if they move towards Each Other they meet 1 hour 20 minutes find the speed of car
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