Aptitude Developers Club

27/11/2018

22/10/2018

In a survey of political preferences, 78% of those asked were in favour of at least one of the proposals : I, II and III, 50% of those asked favoured proposal I, 30% favoured proposal II and 20% favoured proposal III. If 5% of those asked favoured all three of the proposals, what percentage of those asked favoured more than one of the three proposals?

(a) 10 (b) 12 (c) 17 (d) 22

22/10/2018

A student took five papers in an examination, where the full marks were the same for each paper. His marks in these papers were in the proportion 6 : 7 : 8 : 9 : 10. In all papers together, the candidate obtained 60% of the total marks. Then the number of papers in which he got more than 50% marks is ?

(a) 1 (b) 3 (c) 4 (d) 5

20/10/2018

A college has raised 75% of the amount it needs for a new building by receiving an average donation of Rs 600 from the people already solicited. The people already represent 60% of people , the college will ask for donations. If the college is to raise exactly the amount needed for the new building, what should be the average donation from the remaining people to be solicited ?

(a) 300 (b) 250 (c) 400 (d) 500

20/10/2018

At the end of year 1998, Shepard bought nine dozen goats. Henceforth, every year he added p% of the goats at the beginning of the year and sold q% of the goats at the end of the year where p>0 and q>0. If Shepard had nine dozen goats at the end of year 2002, after making the sales for that year, which of the following is true?

(a) p = q (b) p < q (c) p > q (d) p = q/2

21/09/2018

After allowing a discount of 11.11% , a trader still makes a gain of 14.28%. At how many percent above the cost price does he mark on his goods ?
(a) 28.56% (b) 35% (c) 22.22% (d) None of these

23/08/2018

Mayank, Mirza, Little and Jaspal bought a motorbike for $60,000. Mayank paid one half of the sum of the amounts paid by the other boys, Mirza paid one third of the sum of the amounts paid by the other boys; and Little paid one fourth of the sum of the amounts paid by the other boys. How much did Jaspal has to pay ?

(a) $15,000 (b) $13,000 (c) $17,000 (d) None of these

19/08/2018

I…..…………enough of the bickering when……………….I walked out of the room.

(a) had, had (b) had
(c) have, had (d) had, have

10/08/2018

A milkman mixes 20L of water with 80L of milk. After selling one-fourth of this mixture, he adds a water to replenish the quantity that he has sold. What is the current proportion of water to milk ?

(a) 2 : 3 (b) 1 : 2 (c) 1 : 3 (d) 3 : 4

09/08/2018

Using only 2, 5, 10, 25 and 50 paise coins, what will be the minimum number of coins required to pay exactly 78 paise, 69 paise and Rs 1.01 to three different persons?

(a) 19 (b) 20 (c) 17 (d) 18

02/08/2018

It seemed like this buffalo ..…………never washed before I washed him this morning.

(a) was
(b) has
(c) would have
(d) had