CBSE - Aptitude Mathematics

How many meters of carpet 75 cm. wide will be required to cover a floor 27 m by 16 m? 1. 500 m 2. 576 m 3. 550 m 4. 600 m

The area of a square is 42354064. What is its side? 1.6504 2.6508 3.6502 4.none of these

The least number by which 19404 must be divided or multiplied so as to make it a perfect square is 1. 13 2. 7 3. 11 4. 12

The least whole number, which when subtracted from both the num. and the den. of the fractional number 6:7, gives a ratio less than 16:21, is 1. 3 2. 2 3. 4 4. 6

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