A bag contains 20 black balls, 15 white balls and x orange balls. If one ball is drawn at random from the box and the probability of that ball being white is 3/8. If 3 balls are drawn randomly, then find the probability that there are no white balls. A. 78/321 B. 115/494 C. 48/121 […]
A, B and C started the business with the investment in the ratio of 3/4:5/7:3/2. Investment period of A, B and C is (x + 3) months, x months and (x – 1) months respectively. If the total profit of the business is Rs.19200 and the profit share of C is Rs.8400, then find the
A, B and C started the business with the investment in the ratio of 3/4:5/7:3/2 Read More »
The boat covers 108 km upstream and 264 km downstream in 20 hours. The speed of the boat in still water is 75% of the speed of the boat along with the stream. If the speed of the boat is decreased by 33(1/3)% and the speed of stream is increased by 33(1/3)%, then find the
Find out the missing number in the following number series. Q. 15, 30, 55, 90, ?, 210 A.125 B.135 C.145 D.155 E.165 Sol: 15 + 5 * 3 = 30 30 + 5 * 5 = 55 55 + 5 * 7 = 90 90 + 5 * 11 = 145 145 + 5 *
Find out the missing number in the following number series. Q) 11, 24, 63, 193, 680.5, ? A.2718 B.2738 C.2748 D.2728 E.2758 Sol: 11 * 2 + 2 = 24 24 * 2.5 + 3 = 63 63 * 3 + 4 = 193 193 * 3.5 + 5 = 680.5 680.5 * 4 +
Directions: Study the following information carefully and answer the questions. The given table chart shows the total number of employees in company A in five different years i.e. 2001, 2002, 2003, 2004 and 2005 and also given the total number of employees in company B in five different years and also given the total number
Q. Pipes A and B are inlet pipes and the ratio of the efficiency of pipe A to pipe B is 2:3 and pipe C can empty the tank in 96 minutes. If pipes A, B and C opened together, after 9 minutes pipe C closed and pipes A and B together to fill the
Q. A alone completes the work in 24 days and B alone completes the work in 36 days and the efficiency of C is 75% of the efficiency of A. If A, B and C started the work alternatively, Starts with A, then B and then C and so on, then in how many days
Arun sold 25% of his handbags at a profit of 10%, 33.33% of the remaining handbags sold at a loss of 10% and the remaining handbags sold at a profit of 20%. If Arun gets an overall profit of Rs.400, then find the total cost price of handbags? a) Rs.2000 b) Rs.4000 c) Rs.1000 d)
A vessel containing the ratio of milk and water is 4:3 respectively. When 15 liters of water are added to the mixture, now the quantity of milk and water in the mixture become equal. If 21 liters of mixture is taken out from the initial mixture, then find the quantity of milk in the new
A vessel containing the ratio of milk and water is 4:3 respectively Read More »
