CBSE - Aptitude Mathematics

In seven given numbers, the average of first four numbers is 4 and that of the last four numbers is also 4. If the average of these 7 numbers is 3, the fourth number is 1. 3 2. 4 3. 7 4. 11

Five times one part of 37 together with 11 times the other part make a total of 227. The smaller part is 1. 10 2. 9 3. 8 4. 7

Rs.665 were divided among Nita, Rita and Gita in the proportion 2/3 : 3/4 : 4/5. Then Gita got 1. Rs.133 2. Rs.192 3. Rs.240 4. None of the above

If 45 cows eat as much as 32 oxen, how may cows Will eat as much as 40 oxen (1) 42 (2) 50 (3) 58 (4) NONE OF THESE

X and Y together can do a piece of work in 12 days, Y and Z in 15 days and Z and X in 20 days. If they take a contract to finish the work together for Rs. 3600, the share of Z in the money is (1) Rs. 600 (2) Rs. 1200 (3) Rs. 1500 (4)' Rs. 1800