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validity of my course

In the country of four,there are four cities a,b,c,d.b is to the east of a,c is the south of b,d is to the west of c,& a is the north of d.the government wants to connect four cities by road such that person can go to other four cities also.at the same time minimum length of road.a to b,b to c,c to d,d to a,are equal to 10 know.what should be the minimum length of the road?

2×2×÷33÷6

what are the post I will be eligible if I choose physics and maths as trade in RRB level 2 exam.

sir hindi me questions milega kaise isme

in a bag there are 6red balls and 9green balls .two balls are drawn at random what is the probability that at least one of the ball brawn is red

cracku's test series and testfunda are same?

night mode

Sir hindi m preparetion Kara sakte hain
hindi m ap chahiye

When we can use the crash course?