Direction: What approximate value should come in the place of (?) in the following questions? Q. 8.12% of 825.35 + 4.72% of 999.91 =? A.116 B.135 C.142 D.154 E. None of these Sol: 8.12% of 825.35 + 4.72% of 999.91 =? => 8% of 825 + 5% of 1000 =? => 66 + 50 =? => 116

34 % of 750 + 1133 ÷ 5.5 × 4 = ? + 182 A.820 B.945 C.650 D.755 E. None of these Sol: 34 % of 750 + 1133 ÷ 5.5 × 4 = x + 182 (34/100) * 750 + (1133 * 10 / 55) * 4 = x + 324 255 + 824 – 324 = x

Direction: What value should come in the place of (?) in the following questions. Q. (3 / 8) ÷ (153 / 64) × 1224 = (2 / 5) of ? A.520 B.535 C.560 D.495 E. None of these Sol: (3 / 8) ÷ (153 / 64) × 1224 = (2 / 5) of x (3 / 8) * (64 / 153) * 1224 = (2x / 5) 192 * (5 / 2) = x x = 480

Direction: What value should come in the place of (?) in the following questions. Q. (3/8) of (2/3) of 72 + 123 – 12 % of 350 = ? +120 A.1584 B.1672 C.1456 D.1328 E. None of these  Sol: (3/8) of (2/3) of 72 + 123 – 12 % of 350 = x + 120 (3/8) * (2/3) * 72 + 1728 – ...

Downstream speed of the boat is 5 km/hr more than the speed of the boat in still water and the time taken by the boat to cover 200 km in downstream is equal to the time taken by the boat to cover 120 km in upstream. Find the distance covered by the boat in still water in 6 hours. ...

P, Q and R entered into a partnership with an investment of Rs.4500, Rs.6000 and Rs.5000 respectively and after x months, P increased its investment by 20% and Q withdrew Rs.1000 from its investment and at the end of one year, the ratio of the profit obtained by P, Q and R is 72:85:75. Find the ...

A, B and C together can complete a work in 15 days and A alone can complete a work in 45 days and C alone can complete a work in 36 days. If B and C started the work together and B increases its efficiency by 100% and C decreases its efficiency by 40%, then find the time taken by B and C together ...

A bag has 6 black balls, 4 red balls and 8 white balls. If two balls are drawn at random, then find the probability that it contains no black balls. a) 5/8 b) 4/91 c) 1/33 d) 22/51 e) None of these Sol: Number of Non black balls = 4 + 8 = 12 Required probability =12c2/18c2= (12*11) / (18 * 17) ...

Ram invested Rs.4500 in SI at (R + 4)% rate of interest per annum for n years and Jegan invested Rs.7500 in CI at R% rate of interest per annum and after 4 years, the total amount obtained by him is Rs.15552. Find the time period of investment of Ram, if Ram obtained an interest of Rs.5400. ...

In School A, 60% are boys and the number of girls in School B is 25% less than the number of boys in School A and the number of girls in School C is 60 more than that of School B and the total number of students in school B is 1300. Find the number of boys in School B, if the average number of ...

Ratio of the present age of Mike to the age of Mahira after 6 years is 3:4 and the average of the present age of Mike and Mahira is equal to the age of Max after 6 years. If Mike is 4 years elder than Max, then find the difference between the age of Mahira before 6 years and the present age of ...

Vessel A contains a mixture of milk and water and vessel B contains a mixture of 240 liters mixture of milk and water in the ratio of 7:5 and the total quantity of vessel A and 60% of the mixture of vessel B are mixed together in a new empty vessel, then the ratio of the milk to water becomes 6:5. ...