A seller bought x kg of apple for Rs.2000 and also bought (x + 5) kg of oranges for Rs.1800 and the seller sold each kg of apple and orange at a profit of 40% and 25% and the selling price of each kg of orange is Rs.150. Find selling price of (x – 5) […]
Maran and Balram started a business by investing Rs. ‘x’ and Rs. (400 + x), respectively. After 6 months, Maran doubled his investment, while Balram withdrew Rs.400 from his investment. If at the end of the year, Maran’s profit share is Rs.18000 out of the total profit of Rs.34000, then find the value of ‘x’.
Q. √1024 * (?/25) = (54/?) * √2304 a) 46 b) 45 c) 48 d) 40 e) 42 Sol: √1024 * (?/25) = (54/?) * √2304 32/25 * ?2 = 54 * 48 ? = 45
(23 ÷ 232) * (? ÷ 276) * 29 = (1 ÷ 8) a) 18 b) 17 c) 13 d) 12 e) 11 Sol: (23 ÷ 232) * (? ÷ 276) * 29 = (1 ÷ 8) ? = 96/8 = 12
A bag contains 12 white balls and ‘x’ blue balls. The probability of picking a white ball at random from the bag is 3/5. Find the sum of the number of white and blue balls in the bag. a) 25 b) 30 c) 40 d) 20 e) None of these Sol: Probability of picking a
Directions: Find out the wrong number in the following number series. Q. 48, 120, 420, 1880, 10395, 67567.5 A.67567.5 B.120 C.1880 D.420 E.10395 Sol: 48 * 2.5 = 120 120 * 3.5 = 420 420 * 4.5 = 1890 1890 * 5.5 = 10395 10395 * 6.5 = 67567.5
Directions: Find out the wrong number in the following number series. Q. 1, 8, 48, 192, 384, 768 A.768 B.192 C.8 D.384 E.48 Sol: 1 * 8 = 8 8 * 6 = 48 48 * 4 = 192 192 * 2 = 384 384 * 0 = 0
Q. 33.33% of 44.98 + 66.66% of 69.08 = ? A.61 B.73 C.57 D.79 E.91 Sol: 33.33% of 44.98 + 66.66% of 69.08 = ? 3/9 * 45 + 6/9 * 69 = ? 15 + 46 = ? ? = 61
Directions: Find out the wrong number in the following number series. Q. 7, 26, 52, 87, 136, 192 A.192 B.87 C.26 D.136 E.52 Sol: 7 + 32 + 10 = 26 26 + 42 + 10 = 52 52 + 52 + 10 = 87 87 + 62 + 10 = 133 133 + 72
Ratio of the radius of the cone and the height of the cone is 7:9 respectively and the radius of the cone is 50% of the radius of the semicircle. If the circumference of the semicircle is 72 cm, then find the volume of the cone? A. 616 cm3 B. 1232 cm3 C. 462 cm3
