Ratio and Proportion (IMO- Mathematics Olympiad Class 6): Questions 35 - 39 of 80

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1049 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 35

» Ratio and Proportion

MCQ▾

Question

Divide 245 into three parts such that 7 times the first part, 5 times the second part and 2 times the third part are equal.

Choices

Choice (4) Response

a.

50, 70, 175

b.

45, 70, 125

c.

70, 50, 225

d.

50, 75, 150

Question number: 36

» Ratio and Proportion

MCQ▾

Question

The ratio of father’s age to that of his son is equal to the ratio of the mother’s age to that of her daughter. If the ages of mother, son and daughter be 48, 24 and 18 years respectively, then the age of the father is

Choices

Choice (4) Response

a.

64 years

b.

60 years

c.

54 years

d.

50 years

Question number: 37

» Ratio and Proportion

MCQ▾

Question

The ratio of child’s weight to that of his father’s weight is equal to the ratio of the child’s brother’s weight to that of his mother’s weight. If the weight of child, his brother and father be 12, 16 and 72 kg respectively, then the weight of the mother is

Choices

Choice (4) Response

a.

96 kg

b.

84 kg

c.

94 kg

d.

78 kg

Question number: 38

» Ratio and Proportion

MCQ▾

Question

A bus travels at speed of 12kmhr for 2 hours and a train travels at speed of 25kmhr for 4 hours. The ratio of their distances is

Choices

Choice (4) Response

a.

6: 5

b.

2: 6

c.

25: 6

d.

6: 25

Question number: 39

» Ratio and Proportion

MCQ▾

Question

A sum of Rs. 1300 is divided among A, B, C and D such that AshareBshare=BshareCshare=CshareDshare=23 . Then, A’s share is

Choices

Choice (4) Response

a.

Rs. 240

b.

Rs. 160

c.

Rs. 320

d.

Rs. 140

Sign In