Multiple Choice QuestionsRam got twice as many marks in English as in Science. His total marks in English, Science and Maths are 180. If the ratio of his marks in English and Maths is 2 : 3, what are his marks in Science?
30
60
72
72
Three numbers are in the ratio 2 : 3 : 4. If the sum of their squares is 1856, then the numbers are
8, 12 and 16
16, 24 and 32
12, 18 and 24
12, 18 and 24
If x runs are scored by A, y runs by B and z runs by C, then x : y = y : z = 3 : 2. If total number of runs scored by A, B and C is 342, the runs scored by each would be respectively.
144, 96, 64
162, 108, 72
180, 120, 80
180, 120, 80
₹ 900 is divided among A, B and C; the division is such that 
of A's money = 
of B's money = 
of C's money. Find the amount (in ₹) received by A, B, C .
300, 400, 200
350, 450, 100
200, 300, 400
200, 300, 400
If ₹ 126.50 is divided among A, B and C in the ratio of 2 : 5 : 4, the share of B exceeds that of A by
₹ 36.50
₹ 35.50
₹ 34.50
₹ 34.50
The average of first three numbers is double of the fourth number. If the average of all the four numbers is 12. find the 4th number.
16
20
20
If the average of 6 consecutive even numbers is 25, the difference between the largest and the smallest number is
8
10
12
12
A train goes from Ballygunge to Sealdah at an average speed of 20 km/hour and comes back at an average speed of 30 km/hour. The average speed of the train for the whole journey is
27 km/hr
26 km/hr
25 km/hr
25 km/hr
The arithmetic mean of 100 observations is 24.6 is added to each of the observations and then each of them is multiplied by 2.5. Find the new arithmetic mean.
30
75
35
35
= 
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