Question
What is the ratio of the number of schools(constructed,
destroyed, redeveloped ) in state B to that of the number of schools(constructed, destroyed, redeveloped ) in state D?Solution
Number of schools(constructed, destroyed, redeveloped ) in state B = 550 + 200 + 300 = 1050 Number of schools(constructed, destroyed, redeveloped ) in state D = 300 + 200 + 300 = 800 Required ratio = 1050 : 800 = 21 : 16
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15 years ago, the average age of all the 40 teachers of the college was 50 years. 8 years ago, the principal has retired from her post at the age of 60 ...
Five years later, the sum of the ages of P and Q will be 55 years. If their current age ratio is 2:3, find the difference between their ages.
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The ages of A, B and C together are 46 years. B is thrice as old as A and C is 6 years older than A. What is the difference between ages of B and C?
Present average age of 4 friends: ‘A’, ‘B’, ‘C’ and ‘D’ is 36 years. If their ages are in the arithmetic progression in the same order a...
The ratio of age of A and his son is 5:2. If the difference of their ages 4 year ago is 21, then find the sum of ages of A and his son 9 year hence?
Novita's current age is 37.5% greater than Suzuka's, with a difference of 15 years between their ages. Calculate the ratio of Novita's age to Suzuka's a...
A is 3 years older than B while C is 4 years younger than B. The ratio of age of A, 8 years hence and age of B, 6 years ago is 5:4. What was age of C, 1...
The average age of A, B and C is 40 years, while the average age of B, A and D is 30 years. If the ratio of the age of C and D is 5:3, respectively, the...
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