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

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Question 122

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 123

Question

MCQ▾

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 124

Question

MCQ▾

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 125

Question

MCQ▾

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 126

Question

MCQ▾

The solution of the system of the equation given by

is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 127

Question

MCQ▾

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 128

Question

MCQ▾

If then the values of are

Choices

Choice (4)Response

a.

b.

c.

d.

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