The least multiple of 13 which when divided by 4, 5, 6, 7 leaves remainder 3 in each case is
3780
3783
2520
2522
A and B are partners in a business. A contributes (1/4) of the capital for 15 month and B received 2/3 of the profit. Find for how long B's money was used?
6 months
8 months
10 months
12 months
If 21 is added to a number, it becomes 7 less than thrice of the number, Then, the number is
14
16
18
19
Two men A and B have started a job in which A was thrice as good as B and therefore took 60 days less than B to finish the job. How many days will they take to finish the job if they start working together?
15
20
25
C.
Let A and B can do a work in x days and 3x days respectively.
According to the question,
3x - x = 60
⟹ 2x = 60
⟹ x = 30
∴ Time taken to complete the work
A rectangular garden is 100 m x 80 m. There is a path along the garden and just outside it. Width of the path is 10 m. The area of the path is
1900 sq m
2400 sq m
3660 sq m
4000 sq m
A dealer offered a machine for sale for ₹ 27500 but even if he had charged 10% less, he would have made a profit of 10%. The actual cost of the machine is
₹ 22000
₹ 24250
₹ 22500
₹ 22275
An employer reduces the number of employees in the ratio 8 : 5 and increases their wages in the ratio 7 : 9. As a result, the overall wages bill is
increased in the ratio 56 : 69
decreased in the ratio 56 : 45
increased in the ratio 13 : 17
decreased in the ratio 17 : 13
The average age of a jury of 5 is 40. If a member aged 35 resigns and a man aged 25 becomes a member, then the average age of the new jury is
30 yr
38 yr
40 yr
42 yr