CBSE - Aptitude Mathematics

What number must be added to each term of the ratio 25:37 that it may become equal to 5:6? 1. 53 2. 17 3. 35 4. 25

The sides of a rectangular field are in the ratio 3 : 4 with its area as 7500 sq. m. The cost of fencing the field @ 25-paise per meter is 1. Rs.87.50 2. Rs.86.50 3. Rs.67.50 4. Rs.55.50

The number of numbers between 1000 and 10,000 that contain the digits 1,3,5 and 7 is 1. 16 2. 24 3. 12 4. None of these

If 1/3 of a number be 75, which of the following share of it is 45? 1. 1/2 2. 1/3 3. 1/4 4. 1/5

The mode for the following data is Marks 50 58 65 68 70 75 78 80 Frequency 4 6 8 4 5 3 4 1 1.60 2.61 3.63 4.65