Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 59 - 64 of 218

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 59

» Mathematics » Rational Numbers

MCQ▾

Question

Ravi can build a wall in the same time in which Mahesh and Suresh together do it. If Ravi and Mahesh together could do it in 10 days and Suresh alone in 15 days. In what time Mahesh alone do it?

Choices

Choice (4) Response

a.

30 days

b.

50 days

c.

40 days

d.

60 days

Question number: 60

» Mathematics » Basic Geometry

MCQ▾

Question

If the 3 consecutive vertices of a square are (- 1, 4), (- 3, 0) and (1, - 2), which of the following can be its fourth vertex?

Choices

Choice (4) Response

a.

(3, 2)

b.

(- 3, 2)

c.

(2, 3)

d.

(1, 2)

Question number: 61

» Mathematics » Quadratic Equations

MCQ▾

Question

If a and p are the roots of the quadratic equation

2x24x+1=0

. Then, the value of

1α+2β+1β+2α

is equal to

Choices

Choice (4) Response

a.

1317

b.

1712

c.

1217

d.

1117

Question number: 62

» Mathematics » Rational Numbers

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.

1.5

b.

1.33

c.

0.67

d.

0.75

Question number: 63

» Mathematics » Algebraic Expressions

MCQ▾

Question

If

a+b+c=6

and

a2+b2+c2=26

, then what is the value of

ab+bc+ca

?

Choices

Choice (4) Response

a.

4

b.

5

c.

2

d.

0

Question number: 64

» Mathematics » Probability

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.

0.33

b.

0.67

c.

0.17

d.

0.5

Sign In