Question
If '+' means ×, '–' means ÷, '×' means + and '÷'
means –, compute the value of the expression: 45 – 9 + 4 × 5Solution
45 – 9 + 4 × 5 After changing 45 ÷ 9 x 4 + 5 5 x 4 + 5 20 + 5 = 25
‘P’ alone can do 60% of a work in 18 days and ‘Q’ alone can do 30% of the same work in 9 days. ‘P’, ‘Q’ and ‘R’ together can finish ...
105 people could complete a work in 36 days. But after they worked together for 7 days their employer wanted the work should be completed in a total of ...
P can do a piece of work in 30 days. Q do the same work in 40 days. R can do it in 35 days. P and R worked for 4 days and handed it to Q. Q worked for s...
A 40 hectare field is reaped by 4 men, 6 women and 8 children together in 10 days. If working capabilities of a Man, a Woman and a Child are in the rati...
138 unit of work can be completed by P alone in 23 days. P started working alone and joined by Q after 11 days such that they completed the remaining wo...
‘A’ alone can complete a work in 17 days. ‘B’ alone can complete the same work in 34 days. If ‘A’ and ‘B’ work together for 5 days, then...
‘A’ can complete a work in 15 days and is 50% more efficient than ‘B’. ‘A’ and ‘B’ start working together and ‘A’ leaves after 8 day...
Raj, Sanjay and Vaibhav can separately finish a work in 20, 30 and 40 days, respectively. In how many days Raj can finish the work if he is assisted.by ...
- Arun and Varun take up an assignment together. Arun finishes 3 units per day, while Varun can complete the entire assignment in 12 days. The total work amo...
Ganga, Yamuna &Saraswati can complete a piece of work in 30, 40 & 60 days respectively. All 3 of them started working together and after 4 days,...
Relevant for Exams:
