NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 122 - 128 of 1484

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Question number: 122

» Mathematics » Pair of Linear Equations in Two Variables

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Question

For what value of p does the system of equations , has non zero solution?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 123

» Mathematics » Pair of Linear Equations in Two Variables

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Question

3 men and 6 boys can finish a piece of work in 3 days, while 2 men and 5 boys can finish it in 4 days. Them time taken by one boy alone to finish the work is, ——

Choices

Choice (4) Response

a.

36 days

b.

12 days

c.

48 days

d.

None of the above

Question number: 124

» Mathematics » Pair of Linear Equations in Two Variables

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Question

Two numbers are such that their difference, their sum and their product are to one another as 1: 7: 24. The product of two number is

Choices

Choice (4) Response

a.

96

b.

24

c.

48

d.

12

Question number: 125

» Mathematics » Pair of Linear Equations in Two Variables

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Question

Divide 62 into two parts such that fourth part of the first and two-fifth part of the second are in the ratio 2: 3.

Choices

Choice (4) Response

a.

16,46

b.

40,22

c.

32,30

d.

24,38

Question number: 126

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The solution of the system of the equation given by

is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 127

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The sum of digits of a two digit number is 12. If the digits are reversed, the number is decreased by 36. Find the number.

Choices

Choice (4) Response

a.

84

b.

48

c.

34

d.

30

Question number: 128

» Mathematics » Pair of Linear Equations in Two Variables

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Question

If then the values of are

Choices

Choice (4) Response

a.

b.

c.

d.

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