Quantitative Aptitude - Arithmetic Ability Questions

If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he worked alone?

The LCM of 16, 24, 36, 52 and 54 is?

C and D started a business by investing Rs 4000 and Rs 5000 respectively. After 3 months, C withdraws Rs 1000 while D invest Rs 1000 more after 6 months of the starting of business. At the end of the year C’s share is Rs 3900. What will be the total profit (in Rs) at the end of year?

In how many different ways could couples be picked from 6 men and 9 women ?

A trader allowed a discount of 15% on a trolley bag having list price of Rs 1360 and earns a profit of 15.6%. What is the cost price (in Rs) of the trolley bag?

When a discount of 20% is given on an African safari ticket, the profit is 43%. If the discount is 28%, then the profit is

If in a two digit number, the digit at unit place is z and the digit at tens place is 8, then the number is

3 brothers divided Rs. 1620 among them in such a way that the share of second is equal to 5/13 of share of other two, combined. What is the share of the second one?