Question
If 359 = 135, 482 = 64, 571 = 35, then 624 =
?Solution
The logic followed here is:
Multiply all the digits of the number.
3 × 5 × 9 = 135
4 × 8 × 2 = 64
5 × 7 × 1 = 35
Similarly, for 624:
6 × 2 × 4 = 48
‘R’ and ‘S’ together can finish a work in 25 days. If ‘R’ increases his efficiency by 60% and ‘S’ decreases his efficiency by 20%, then...
A contractor undertook to make 20 km of roadway in 48 weeks. In 28 weeks, 8 km was completed by 120 men working 12 hours a day. The men then agreed to w...
A and B together, B and C together and A and C together can complete a piece of work in 40 days, 30 days and 50 days respectively. Find the ratio...
4 girls can do work in 8 days, 3 boys can do the same work in 9 days, 7 men in 2 days, and 5 women in 4 days. Who is the least efficient?
- A man can complete a job alone in 20 days. A woman can complete half of the same job in 15 days. If both work together, how many days will it take them to ...
A and B can finish a piece of work in 20 days and 30 days respectively. Both work on alternate days. In how many days will the work be completed when A ...
Arjun is 50% less efficient than the combined efficiency of Bheem and Cherry. If Bheem can complete a task in 12 days and Cherry in 20 days, determine t...
'Asmita,' who is three times as efficient as 'Bittu,' can complete a task on her own in 15 days. 'Asmita' and 'Bittu' began working together, but after ...
A can fabricate a divider in 23 days , while B alone can assemble it in 26 days, If they construct it together and get an installment of Rs 9800, then f...
- 18 workers can complete 9 tasks in 24 hours. Find the time required by 12 workers to finish 15 tasks.
Relevant for Exams:
