Q1. In a bag, there are 16 balls of three different colors i.e. red, blue and green. Number of red and blue balls is 9 and difference between red and green ball is 4 then find the probability of getting a ball of each color if three balls are picked at random?
(a) 5/28
(b) 4/27
(c) 7/36
(d) 8/35
(e) 9/40
Q2. Cost price of article A is Rs 600 more than that of B and selling price of A is Rs 1200 more than that of B. If difference between profit earned on selling these two articles is 13⅓% of the cost price of A then find profit earned on B if profit % earned on A is 33⅓%?
(a) Rs 800
(b) Rs 900
(c) Rs 840
(d) Rs 960
(e) Rs 1000
Q3. In 100 lit mixture of milk and water, milk is 68 lit more than that of water. When ‘a’ lit of milk is taken out and (a+15) lit of water is added, milk becomes 50% more than that of water. Find value of ‘a’?
(a) 20
(b) 15
(c) 18
(d) 12
(e) 16
Q5. Area of rectangle having length and breadth in the ratio of 4: 3 is 432 cm2. A square whose side is equal to diagonal of rectangle then find ratio of numerical value of perimeter to the area of square?
(a) 7:55
(b) 4:35
(c) None of these
(d) 1:8
(e) 2:15
Solutions
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