CBSE - Aptitude Mathematics

What must be the least number of soldiers in a regiment that will allow it to be drawn up into hollow squares 10, 15 or 25 deep, and also to be formed into a solid square? 1) 6000 2) 700 3 ) 3600 4) NONE OF THESE

The diameter of a cycle wheel is 70 cm. A cyclist takes 30 hours to reach a destination at the speed of 22 km/h. How many revolutions will the wheel make during this journey? 1. 3 million 2. 3 lakh 3. 4 lakh 4. None of these

Ishwar walked 15 km @ 5 km/hr and further 16 km @ 4 km/hr. What was his average speed during the journey? 1.31/7 km/hr 2.24/7 km/hr 3.9/2 km/hr 4.none of these

If one side and one"diagonal of a rhombus are 5 cm and 8,cm respectively, then its area in sq .cm is . (1) 20 (2) 24 (3) 40 (4) 13

If (-4, 5) is one vertex and 7x - y +8 = 0 is one diagonal of a square, then the equation of the second diagonal is: 1. x + 3y = 21 2. 2x - 3y = 7 3. x + 7y = 31 4. None of these