In a bag there are certain number of coins of the denominations Rs.1, Rs.2 and Rs.5 in the ratio of 5 : 7 : 9 respectively. If the total value of the coins in the bag is Rs. 192, find the number of Rs. 1 coins in the bag

• 5

• 10

• 15

• 20

• None of these

The ratio of two numbers is 4 : 5. If 15 is added to each of the two numbers, the ratio becomes 7 : 8. What is the sum of the two numbers?

• 39

• 42

• 45

• 30

• None of these

The ratio of the numbers of boys to the number of the girls studying at a school is 6 : 5. If 24 more girls join the school, then the ratio of the number of boys to the number of girls studying at the school would be 54 : 49. What is the total number of students studying at the school?

• 550

• 594

• 838

• 682

• None of these

The income of P and Q are in the ratio 5 : 4 and their expenditure are in the ratio 3 : 2. If each one saves Rs. 1,000, then what is the income of P?

• 1,500

• 2,000

• 2,250

• 2,500

• None of these

The ratio of the monthly incomes of three families X, Y and Z is 5 : 6 : 7 and their respective monthly expenditures are in the ratio of 4 : 5 : 6. If each family saves Rs. 2,000 every month, then what is the sum of the incomes of the three families together?

• 36,000

• 54,000

• 72,000

• 90,000

• None of these

The ratio of incomes of A and B is 3 : 2. The ratio of their expenditure is 4 : 3. If B spends 3/4th of his income, what is the ratio of their savings?

• 1 : 2

• 2 : 1

• 2 : 3

• 3 : 2

• 3 : 4

The ratio of the incomes of P and Q is 3 : 5. If they spend 60% and 80% of their incomes respectively, then what is the ratio of their savings?

• 6 : 5

• 2 : 3

• 3 : 4

• 5 : 4

• None of these

If the numerator of fraction is increased by 20% and the denominator of the fraction is decreased by 25%, the resultant fraction would be 16/25. What is the original fraction?

• 2/5

• 3/10

• 4/15

• 6/25

• None of these

Mohan went on a tour to two cities. In the first city, he spent Rs.24,324. In the second city, he spent Rs.35,676. On finishing his tour, he was left with 25% of the initial amount he had. Find the initial amount.

• 84,000

• 78,000

• 72,000

• 80,000

The present population of a town X is 3/5 times the present population of town Y. The population of town Y increases by 20% every year and the difference between the population of it two years ago and one year ago was 12,700, then find the present population of town X?

• 24,642

• 36,468

• 44,246

• 54,864

• None of these