Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 93 - 97 of 218

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Question number: 93

» Mathematics » Probability

MCQ▾

Question

Mohan lies on 3 days out of the 7 days in a week, whereas Ram lies on 4 days out of 6 days of a week. If both of them were asked a question, what is the probability that both gave a true reply?

Choices

Choice (4) Response

a.

17

b.

421

c.

521

d.

27

Question number: 94

» Mathematics » Basic Geometry

MCQ▾

Question

A measuring jar of internal diameter 10 cm is partially filled with water. Four equal spherical balls of diameter 2 cm each are dropped in it and they sink down in the water completely. The change in the level of water in the jar is

Choices

Choice (4) Response

a.

1675cm

b.

1665cm

c.

1516cm

d.

None of the above

Question number: 95

» Mathematics » Mensuration

MCQ▾

Question

If a is an integer such that a+1a=174 , then the value of (a1a) is

Choices

Choice (4) Response

a.

4

b.

94

c.

174

d.

- 9 4

Question number: 96

» Mathematics » Linear Equation

MCQ▾

Question

A man starts his job with a certain monthly salary and earns a fixed increment every year, if his salary was Rs. 1500 after 4 year of service and Rs. 1800 after 10 year of service. What was his starting salary?

Choices

Choice (4) Response

a.

Rs. 1300

b.

Rs. 1100

c.

Rs. 50

d.

Rs. 1200

Question number: 97

» Mathematics » Trigonometry

MCQ▾

Question

If the mid-points of the sides of a triangle are (1, 5), (2, 6) and (3, 2), the coordinates of the centroid of the triangle is

Choices

Choice (4) Response

a.

(2,133)

b.

(3.5,6)

c.

(6.5,3)

d.

(3,6)

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