1) The sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number. a. 8 b. 6 c. 12 d. 18
|
||||
2) If a flat costs Rs.4500 per sq. ft, and a commercial space costs Rs.9500 per sq. ft, then what is the ratio of their areas if the total cost of both are the same? a. 9:19 b. 19:9 c. 15:28 d. 28:15
|
||||
3) The sum of three numbers is 172. The ratio of the first and second numbers is 8:11. The ratio of the second and third is 5:7. Find the second number. a. 44 b. 55 c. 66 d. 77
|
||||
4) 4 singers, 5 dancers and 3 comperes divide an amount of Rs.130000 among themselves such that 3 comperes get as much as 2 dancers and 3 dancers get as much as 2 singers. Find the amount received by a singer. a. Rs.18000 b. Rs.13000 c. Rs.15000 d. Rs.10000
|
||||
5) The sum of cubes of two numbers is 280. If the numbers are in the ratio 2:3, find the smallest number. a. 4 b. 6 c. 3 d. 2
|
||||
6) Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2. a. 38 b. 35 c. 10 d. 28
|
||||
7) The number of seats available for Biology and Computer Science in a school is in the ratio 5:8. They are to be increased by 30% and 25% . Find the new ratio. a. 6:10 b. 13:20 c. 3:4 d. 35:33
|
||||
8) A:B=2:3, B:C=3:4, A:D=4:5. Find C:D. a. 2:5 b. 4:5 c. 6:5 d. 8:5
|
||||
9) Find the fourth proportion to 3, 7 and 9. a. 63 b. 31 c. 21 d. 27
|
||||
10) If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number ? a. 2 : 5 b. 3 : 7 c. 5 : 3 d. 7 : 3
|
||||
11) Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats ? a. 2 : 3 : 4 b. 6 : 7 : 8 c. 6 : 8 : 9 d. None of these
|
||||
12) In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there? a. 50 b. 100 c. 150 d. 200
|
||||
13) Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :________? a. 27 b. 33 c. 49 d. 55
|
||||
14) Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :__________? a. 2 : 5 b. 3 : 5 c. 4 : 5 d. 6 : 7
|
||||
15) A surn of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B’s share ? a. Rs. 500 b. Rs. 1500 c. Rs. 2000 d. None of these
|
||||
16) The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ? a. 8 : 9 b. 17 : 18 c. 21 : 22 d. Cannot be determined
|
||||
17) The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :__________? a. 20 b. 30 c. 48 d. 58
|