CAT Exam Numerical Ability Permutation and Combination

The average salary per head of all the employees in an institution is Rs 1600. The average salary per head of 40 officers is Rs 2950, the average salary per head of the rest is Rs 600. What is the total number of workers?
(a) 37
(b) 64
(c) 59
(d) 63

Read Solution (Total 4)

CAT Other Question

The average price of 12 different books is Rs 16 while the average price of 10 of these books is Rs 16.10. Of the remaining two books if the price of one is 50% more than the price of the other. What is the price of these two books?

(a) Rs 13, Rs 19.50
(b) Rs 24, Rs 36.15
(c) Rs 12.40, Rs 18.60
(d) Rs 16.40, Rs 24.60
arun wants to reach the Railway station at 11.00 am. The station is 10 km away from his house. If arun walks at the speed of 5 km/hour at what time shall he start from his home?