NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 232 - 238 of 1732

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Question 232

Question

MCQ▾

In a class there are 60 boys and40 girls. The ratio of number boys to the number of girls in the class is

Choices

Choice (4)Response

a.

5: 3

b.

2: 3

c.

3: 2

d.

2: 5

Question 233

Question

MCQ▾

The value of is

Choices

Choice (4)Response

a.

b.

4

c.

d.

2

Question 234

Question

MCQ▾

In a coconut grove, (x + 2) tress yield 80 nuts per year, x trees yield 140 nuts per year and (x-2) trees yield 160 nuts per year. If the average yield per year per tree be 100, then find x.

Choices

Choice (4)Response

a.

3

b.

4

c.

1

d.

2

Question 235

Question

MCQ▾

The antecedent and consequent of a ratio ________ interchanged unless there is a change in the given statements.

Choices

Choice (4)Response

a.

Can be

b.

Cannot be

c.

Sometimes

d.

All of the above

Question 236

Question

MCQ▾

A number 560 divided into two parts in the ratio 5: 3. Find the product of the numbers.

Choices

Choice (4)Response

a.

57,500

b.

73,500

c.

53,700

d.

37,500

Question 237

Question

MCQ▾

In a banana grove, (x + 3) trees yield 40 bananas per year, x trees yield 180 bananas per year and (x-3) trees yield 200 bananas per year. If the average yield per year per tree be 120, then find x

Choices

Choice (4)Response

a.

7

b.

5

c.

8

d.

4

Question 238

Question

MCQ▾

Divide .

Choices

Choice (4)Response

a.

25.50

b.

50.75

c.

51.50

d.

51.25

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