Question
A wholesaler mark up his good such that he can gain 8%
profit after giving 10% discount to his customers. One particular customer availed a discount of 12% only. If the profit earned by the trader from this cutomer is Rs. 50.4, then, what is the cost price of the good?Solution
Let the CP be Rs. 100 Then, SP = 100 + 8 = Rs. 108 MP = (108 x 100)/ 90 = 120 New SP = 120 x 88/100 = 105.6 Profit = 105.6 – 100 = 5.6 Now, 5.6 ≡ Rs.100 50.4 ≡ 100 x 50.4/ 5.6 = 900
16 rotten bananas are accidentally mixed with 155 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
10 rotten bananas are accidentally mixed with 140 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
What will be the probability of choosing one red and one green ball from a basket containing 4 red and 5 green balls if two balls are drawn randomly?
Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probabili...
John is answering a survey with 3 questions, each with 2 options. Only one option is correct per question. If John answers randomly, what is the probabi...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
A box contains 8 yellow marbles, ‘x’ blue marbles and 12 white marbles. A box contains 5 yellow marbles, 2 blue marbles and 3 white marbles. The pro...
A box contains 5 red, 6 green and 3 yellow balls. 2 balls are drawn at random. What is the probability that they are not of the same colour?
The probability of selecting a rotten egg randomly from a basket of 250 eggs is 0.2. What is the number of rotten eggs in the basket?
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is 3 times that of drawing a white ball, find the ...
Relevant for Exams:
