EASY
7th CBSE
IMPORTANT
Earn 100

A cement company earns a profit of 8 per bag of white cement sold and a loss of 5 per bag of grey cement sold. What is the number of white cement bags it must sell to have neither profit nor loss, if the number of grey cement bags sold is 6400?

50% studentsanswered this correctly

Important Questions on Integers

EASY
7th CBSE
IMPORTANT

If  is an operation such that for integers a and b, we have

ab = a×b-2×a×b+b×b(-a)×b+b×b then find (-7)(-1)

EASY
7th CBSE
IMPORTANT
A railway engine starts shunting wagons by first going 1000 m north of railway station. It reverses and travels 1250 m south and then it again moves 600 m north. Finally moving 800 m south, it comes to rest. How far is the engine from the station and in which direction?