Ratio & Proportion Questions and Answers

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Q51
The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4 and its perimeter is 104 cm. The length of longest side is :
  • A 52 m
  • B 48 cm
  • C 32 cm
  • D 26 m
Answer: Option B
Q52
In a college, the ratio o the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is :
  • A 100
  • B 250
  • C 260
  • D 416
Answer: Option D
Q53
The prices of a scooter and T.V. are in the ratio of 5 : 4. if the scooter costs Rs. 4000 more than the T.V. set, the price of a T.V. set (in rupees) is :
  • A 12000
  • B 14000
  • C 16000
  • D 20000
Answer: Option C
Q54
Pencils, Pens and Exercise books in a shop are in the ratio of 10:2:3. If there are 120 pencils, the number of exercise books in the shop is :
  • A 36
  • B 48
  • C 72
  • D 400
Answer: Option A
Q55
In a factory, the ratio of male workers to female workers was 5 : 3. If the number of female workers was less by 40. What was the total number of workers in the factory ?
  • A 100
  • B 160
  • C 200
  • D 500
Answer: Option B
Q56
The ratio of income of A to that B is 5 : 4 and the expenditure of A to that of B  is 3 : 2. If at the end of the year, each saves Rs. 800. the income of A is :
  • A Rs 1600
  • B Rs 1800
  • C Rs 2000
  • D Rs 2200
Answer: Option C
Q57
A dog takes 3 eaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is :
  • A 8 : 5
  • B 9 : 5
  • C 8 : 7
  • D 9 : 7
Answer: Option B
Q58
60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead ad tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, then the amount of tin in the new alloy is :
  • A 36 kg
  • B 44 kg
  • C 53 kg
  • D 80 kg
Answer: Option B
Q59
94 is divided into two parts in such a way that fifth part of first and the eighth part of the second are in the ratio 3 : 4. The first part is :
  • A 27
  • B 30
  • C 36
  • D 48
Answer: Option B
Q60
The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of second to the third is 5 : 8, then the second number is :
  • A 20
  • B 30
  • C 48
  • D 58
Answer: Option B
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