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Ratio and Proportion 1/4

25. Three friends divide Rs.624 among themselves in the ratio $\displaystyle\frac{1}{2}:\displaystyle\frac{1}{3}:\displaystyle\frac{1}{4}$. The share of the third friend is :
a. Rs.288
b. Rs.192
c. Rs.148
d. Rs.144


26. One year ago the ratio between Laxman's and Gopal's salary was 3:4. The ratio's of their individual salaries between last year's and this year's salaries are 4:5 and 2:3 respectively. At present the total of their salary is Rs.4290. The salary of Laxman now is :
a. Rs.1040
b. Rs.1650
c. Rs.2560
d. Rs.3120


27. Students in Class I, II and III of a school are in the ratio of $3 : 5 : 8$. Had 15 more students admitted to each class, the ratio would have become 6 : 8 : 11. How many total students were there in the beginning?
a. 112
b. 64
c. 96
d. 80


28. A spends 90% of his salary and B spends 85% of his salary. But savings of both are equal. Find the income of B, if sum of their incomes is Rs. 5000.
a. 2000
b. 2400
c. 2125
d. 2400


29. $x$ is directly proportional to $y$. When $x = 3$ then $y = 7$. If $x = 9$ then $y = ?$
a. 26
b. 24
c. 21
d. 20


30. A car travels 200km at the speed of 40 kmph in certain time. If the speed of the car increases to 60 kmph then distance travelled by the car is ?(Time is same)
a. 240
b. 300
c. 360
d. 325


31. $x$ is inversely proportional to $y$. When $x = 9$ then $y = 7$. If $x = 3$ then $y = ?$
a. 21
b. 7/3
c. 3/7
d. 27/7


32. A car covers certain distance at the speed of 40 kmph in 5 hours. If the speed of the car increases to 50 kmph then time taken by the car to cover the distance is:
a. 8
b. 9
c. 4
d. 6


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