There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?
The weights of 4 boxes are 100, 90, 80 and 40 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?
Animals belonging to phylum _____________ are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.
Which of the statements given below is/are not correct? 1. 'Open' is an Autobiography of Andre Agassi. 2. The author of 'India 2020: A Vision for the New Millennium'A.P.J. Abdul Kalam. 3. The author of 'A Foreign Policy For India' is L.K Advani.