Question
Select the option that is related to the third number in
the same way as the second number is related to first number and the sixth number is related to the fifth number. 52: 6 :: 69 : ? :: 78: 56Solution
One is added to odd digit of the first number and one is subtracted from even digit of the first number and then both the digits are multiplied to obtain the second number. (5 + 1) x (2 – 1) = 6 x 1 = 6 (7 + 1) x (8 – 1) = 8 x 7 = 56 (6 - 1) x (9 + 1) = 5 x 10 = 50
- 'M' takes 40 minutes more than 'N' to cover 'x' km. If the speed of 'M' and 'N' is 10 km/h and 16 km/h, respectively, then find the value of 'x'.
A car running with a speed of 52 km/hr takes 4 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it take...
- Two bikers ‘C’ and ‘D’ start from towns ‘X’ and ‘Y’ respectively towards each other at the same time. The distance between towns ‘X’ an...
- Two scooters, ‘G’ and ‘H’, started from towns ‘U’ and ‘V’ towards each other at the same time. When they met after 5 hours, scooter ‘H’...
A person walks at a speed of 'y' km/hr. After 1 hour, they increase their speed to (y + 10) and walk for another 4 hours. If the ratio of the distance c...
- Nikita covered a total distance of 400 km — partly by airplane at 200 km/h and partly by bus at 80 km/h. If she took 3.5 hours to reach, how many kilomet...
A train runs at a speed of 54 km an hour. What is the speed in metres per second?
A car is traveling at a speed of 144 km/hr. The car's tires have a diameter of 70 m. How long will it take for the car to complete 12 revolutions of its...
C can do a piece of work in 20 days, and D can do the same work in 25 days. They start working together, but after 8 days, C leaves. In how many more da...
In a 1.6 km race, 'A' gives 'B' a head start of 300 meters, but still 'A' wins the race by 100 meters. If 'B' takes 15 minutes to complete the race, cal...
