1) Vessels P, Q and R contain 400, 250 and 300 litres of mixture of
petrol and diesel respectively. The ratio of petrol and diesel in the
vessels P, Q and R was 5:3, 3:2 and 1:1 respectively. ‘x’% of the
quantity from each vessel is drawn and put into a drum. If the
quantity of petrol in the drum was 120 litres more than the quantity
of diesel, then find x.
a) 75 b) 50 c) 80 d) 45 e) None of these
2) A, B and C started a business by investing the amounts in the ratio
of 8 12 7. After one-year A again invests Rs 15000 and B invests Rs
10000. If at the end of two years total profit was shared between
them in the ratio of 100: 140: 77, then what is the initial investment
made by A, B and C together?
a) Rs 250,700 b) Rs 371,500 c) Rs 185,625 d) Rs 371,250 e) Rs
3) If the ratio of salaries of A and K is 4 : 5 and ratio of salaries of N
and P is 3:4. If the salary of P is Rs 2,000 less than that of K and the
average salary of all 4 of them is Rs 43,500, what is the ratio of salary
of A and K, if A gets two consecutive raises of 20% and K’s salary
increases by Rs 7,600?
a) 2 : 1 b) 4 : 1 c) 5 : 4 d) 1:1 e) None of these
4) Every Monday a teacher distributes candies among the students of
his class Each student gets equal number of candies. On one
Monday, when 4 girls were absent and 156 candies were distributed
in the class, the ratio of candies distributed among the boys and the
girls was 7 : 6. On the next Monday, when 7 boys were absent and
150 candles were distributed in the class, the ratio of candies
distributed among the boys and the girls was 7:8. What is the
difference between the number of boys and girls in the class?
a) 4 b) 8 c) 5 d) 2 e) 6
5) The literate population of Maharashtra is 20% more than the
literate population of Karnataka and literate population of UP is 30%
more than the literate population of Maharashtra. If the ratio of
number of literate males to number of literate females in
Maharashtra, Karnataka and UP are and respectively, then what is
the ratio of total number of literate females in all the three given
states together to the total literate population of all the 3 states?
a) 163 376 b) 165: 376 c) 160 : 371 d) 155: 306 e) 165: 371