Topper's Academia-Shaping The future

Example 1.  Astronomy, it has been said, is the oldest and the noblest of the sciences. (_______) it is one of the few sciences for which most present-day educators seem to find little time. (a) As (b) Yet (c) But (d) Thereby Explanation (b): There is a mood swing between the two sentences, which is best highlighted by a ‘yet’ or a ‘but’. It is better to use a ‘yet’ because it links the two sentences in a better fashion. Example 2.  Often we (_______) ourselves of the pleasure of making friends with the stars and shut our eyes to the glories of the heavens above because we do not realise how simple a matter it is to become acquainted with the various groups of stars as they cross our meridian, one by one, day after day and month after month in the same orderly (_______). (a) abandon, line (b) deprive, sequence (c) fulfil, episode (d) strip, passage Explanation (b): The sentence is talking about the beauty of constellations and how common man has ignored this. Thus...

1. In a school, 10% of the boys are same in number as 1/5th of the girls. What is the ratio of boys to girls in that school? (a) 1:2 (b) 3:4 (c) 3:2 (d) 2:1 (e) NOT 2. A sum of money is distributed among A, B and C such that A get double of C and B get average of A and B. find the ratio in which the money is distributed? (a) 1:1:7 (b) 2:2:1 (c) 1:1:2 (d) 1:2:3 (e) NOT 3. Divide 27 into two parts so that 5 time the first and 11 times the second together equal to 195. Then ratio of the first and second part is: (a) 10:17 (b) 17:10 (c) 10:13 (d) 1:2 (e) 5:7 4. The speed of a boat in still water is 500% more than the speed of the current. What is the respective ratio between the speed of boat downstream and speed of boat upstream? (a) 4:9 (b) 5:7 (c) 5:6 (d) 11:2 (e) 7:5 5. In a class of 75 students, one-fifth of the total number of girls and three- fifth of total number of boys join a cricket club. If the total number of boys joining the club is 27. What is the respective ra...