NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 1043 - 1047 of 1058

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Question number: 1043

» Mathematics » Probability

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MCQ▾

Question

Out of the letters E, T and N, a 3-letter word is formed at random using all the 3 letters. What is the probability that the word formed is TEN?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1044

» Mathematics » Rational Numbers

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MCQ▾

Question

The average score of boys in an examination of a school is 71 and that of the girls is 73. The average score of the school in the examination is 71.8. Then, the ratio of the number of boys to the number of girls appeared in the examination is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1045

» Chemistry » Periodic Classification of Elements

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MCQ▾

Question

Consider the following statements

I. Group 3 elements are called pnictogens.

II. Group 16 elements are called halogens.

Which of the above statement (s) is/are correct?

Choices

Choice (4)Response

a.

Neither I nor II

b.

I and II

c.

Only II

d.

Only I

Question number: 1046

» Chemistry » Structure of Atom

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the following

List-Ⅰ (Group I)List-Ⅱ (Group II)

(A)

Alkane

(i)

(B)

Alkene

(ii)

(C)

Halo alkanes

(iii)

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)

a.

  • (iii)
  • (ii)
  • (i)

b.

  • (i)
  • (iii)
  • (ii)

c.

  • (iii)
  • (i)
  • (ii)

d.

All of the above

Question number: 1047

» Mathematics » Quadratic Equations

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MCQ▾

Question

If a and b are the roots of the quadratic equation . Then, the value of is equal to

Choices

Choice (4)Response

a.

b.

c.

d.

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