NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 117 - 123 of 1484

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Question number: 117

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The ratio between a two digit number and the sum of digits if that number is 4: 1. If the digit in the unit place is 3 more than the digit in the tenth place, what is that number?

Choices

Choice (4)Response

a.

Insufficient data

b.

24

c.

36

d.

63

Question number: 118

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The product of two numbers is 12960 and their HCF is 36. How many pairs of such numbers can be find?

Choices

Choice (4)Response

a.

5

b.

3

c.

4

d.

2

Question number: 119

» Mathematics » Pair of Linear Equations in Two Variables

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Question

Given the fractions and are unequal if:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 120

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The solution of the system of the equations and (where is

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 121

» Mathematics » Pair of Linear Equations in Two Variables

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Question

The denominator of a rational number is greater than its numerator by 5. If 4 is subtracted from the numerator and 3 is added to the denominator, the new number becomes then the original number was,

Choices

Choice (4)Response

a.

b.

c.

d.

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

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