Question
Maths
March 12, 2020, 8:34 p.m.
Answer
A circular metal plate expands under heating so that its radius increased by 2% .Find the approximate increase in the area
The cost of 2 kg of apples and 1kg of grapes on a day was found to be Rs 160. After a month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation algebraically and graphically. The cost of 2 kg of apples and 1kg of grapes on a day was found to be Rs 160. After a month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation algebraically and graphically.
three urn are given , each containing red and black ball as indicated below: Urn I: 6 red and 4 black balls. Urn II : 2 red and 6 black balls. Urn III:1 red and 8 black balls. An urn is choosen at random and a ball is drawn from that urn.the ball drawn is red.find the probability that the ball is drawn either from urn II or from urn III.
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