Decimals (IMO- Mathematics Olympiad (SOF) Class 6): Questions 64 - 70 of 81

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Question number: 64

» Decimals

MCQ▾

Question

The sum of two numbers is 31.021. If one of them is 11.56, then the other number is

Choices

Choice (4) Response

a.

19.561

b.

19.461

c.

17.461

d.

18.641

Question number: 65

» Decimals

MCQ▾

Question

Rahul bought 4 kg 90 g of apples, 2 kg 60 g of grapes and 5 kg 300 g of mangoes. The total weight of all the fruits he bought is

Choices

Choice (4) Response

a.

11.000 kg

b.

11.450 kg

c.

11.350 kg

d.

11.250 kg

Question number: 66

» Decimals

MCQ▾

Question

The decimal form of is

Choices

Choice (4) Response

a.

5.76

b.

7.56

c.

7.50

d.

6.75

Question number: 67

» Decimals

MCQ▾

Question

The ratio of hydrogen and oxygen in water is 3: 2. If the weight of oxygen in the water is 15.2 gm, then weight of hydrogen in it is

Choices

Choice (4) Response

a.

22.8 gm

b.

21.5 gm

c.

28.5 gm

d.

23.2 gm

Question number: 68

» Decimals

MCQ▾

Question

The ratio of copper and zinc in an alloy is 9: 5. If the weight of zinc in the alloy is 9.5 gm, then weight of copper in it is

Choices

Choice (4) Response

a.

17.4 gm

b.

17.2 gm

c.

17.5 gm

d.

17.1 gm

Question number: 69

» Decimals

MCQ▾

Question

The fractional number corresponding to the following number “9 hundredths - 9 tenths + 9 tens - 9 ones” is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 70

» Decimals

MCQ▾

Question

The product of two numbers is 238.239. If one of them is 12.85, then the other number is

Choices

Choice (4) Response

a.

18.54

b.

18.46

c.

21.54

d.

19.28

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