The speed of train A is equal to the speed of train B and the length of train A is 60 m more than that of train B. If train A crosses a pole in 15 seconds and train B crosses a pole in 12 seconds, then find the sum of the speed of trains […]

Q. The average number of boys and girls in a class is 75 and the number of boys and girls in the class is increased by 20% and 40% respectively. If the total number of students in the class is increased by 40, then find the number of boys in the class initially? a) 200

Directions: Read the following information carefully and answer the questions. The given missing table shows the number of five different dry fruits packets i.e. cashews, dates, walnuts, raisins and almonds sold in four different months (January, February, March and April). If the average number of walnuts packets sold in February and June is 225 and

(493 ÷ 29) * (171 ÷ 9) = ? + 35% of 180 a) 260 b) 265 c) 270 d) 275 e) 255 Sol: (493 ÷ 29) * (171 ÷ 9) = ? + 35% of 180 17 * 19 = ? + 63 ? = 260

Varun alone can do a work in 10 days, whereas Ganesh can do the same work in 25 days. If they both are working on alternate days starting with Varun, then find the total time taken to complete the work. a)            16.4 days b)            20.5 days c)            14.2 days d)            24 days e)            12.6 days

4(1/13) of 117 – 3(3/7) of 126 = ? a)            57 b)            45 c)            63 d)            68 e)            73 Sol: 4(1/13) of 117 – 3(3/7) of 126 = ? 477 – 432 = ? ? = 45

Directions: Read the following information carefully and answer the questions. The given missing table shows the number of five different dry fruits packets i.e. cashews, dates, walnuts, raisins and almonds sold in four different months (January, February, March and April). If the number of raisin packets sold in April is 7/20 of the number of

The product of two positive numbers is 32. If the sum of their squares is 80, then find the difference between the two numbers. a)            12 b)            14 c)            4 d)            8 e)            10 Sol: Let the two numbers be ‘a’ and ‘b’. a*b = 32 ……………. (1) a2 + b2 = 80 …………… (2)

15 * 19 + 22 * 17 = ?2 + 83 a)            21 b)            25 c)            27 d)            23 e)            24 Sol: 15 * 19 + 22 * 17 = ?2 + 83 285 + 374 – 83 = ?2 ? = 24

Ratio of the difference between the downstream and upstream speed of the boat to the upstream speed of the boat is 2:3 and the total time taken by the boat to cover 240 km in downstream and 270 km in upstream is 23 hours. Find the speed of the boat in still water. a)            28