Question
The average of two consecutive even numbers is 73. If
the smaller number is increased by 40% and the larger number is decreased by 40%, then find the difference between the numbers obtaineSolution
Let the two consecutive even numbers be x and x + 2.
ATQ,
x + 1 = 73 => x = 72
Required difference = 1.4 × 72 - 0.6 × 74 = 100.8 - 44.4 = 56.4
Pawan completes 40% of a task in 6 days. His efficiency is 100% greater than Qureshi's. How many days will it take for both Pawan and Qureshi, working t...
B alone can finish a job in 18 days. A is twice as efficient as B. In how many days can A and B together complete the job?
A can complete a work in 20 days, B in 30 days and C in 60 days. They work together for 5 days, then C leaves. In how many more days will A and B finis...
A and B can complete a work together in 36 days. If A alone can complete one-third of the work in lsquo;xrsquo; days and remaining work is completed by ...
28 men can complete a work in 20 days. 40 women can complete the same work in 28 days. 20 men and 12 women started working and after 16 days, 20 more wo...
- 20 men working 6 hours a day can paint a building in 25 days. If 30 men work 8 hours a day, how many days will it take to paint the building?
A work is done by A, B, C and D together. The percentage of work done by A, B C and D are in arithmetic progression (AP). The first, second, third and f...
A and B alone can complete a work in 20 and 30 days, respectively. 50% of the work is completed by C in 5x days, and the remaining work is completed by ...
A team of 12 men and 18 women can complete a construction project in 24 days. If 6 women alone can do the same project in 144 days, how many days will 4...
‘P’ and ‘Q’ can complete a task together in 30 days. If ‘P’ is 60% more efficient than ‘Q’, how many days will ‘Q’ take to finish th...
