NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 623 - 629 of 828

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Question number: 623

» Mathematics » Arithmetic

MCQ▾

Question

If the product of two numbers is 21 and their difference is 4, then the ratio of the sum of their cubes to the difference of their cubes is

Choices

Choice (4) Response
a.

185: 165

b.

158: 145

c.

165: 158

d.

185: 158

Question number: 624

» Mathematics » Statistics

MCQ▾

Question

A lady reaches her office 20 min late by travelling at a speed of 20 km/h and reaches 15 min early by travelling at 30 km/h. By how much time will she be early or late, if she travels at 25 km/h?

Choices

Choice (4) Response
a.

5 min late

b.

1 min late

c.

1 min early

d.

5 min early

Question number: 625

» Biology » Reproduction

MCQ▾

Question

The most essential organ for fertilization is

Choices

Choice (4) Response
a.

Green sepals

b.

Mature ovule

c.

Colored petals

d.

Juicy fruit

Question number: 626

» Biology » Plant and Animal Nutrition

MCQ▾

Question

One of the most resistant known biological materials is

Choices

Choice (4) Response
a.

Lignin

b.

Sporopollenin

c.

Lignocellulose

d.

Hemicellulose

Question number: 627

» Geography » Water Resources

MCQ▾

Question

The Puma, the Wardha, the Pranhita are the tributaries of

Choices

Choice (4) Response
a.

Godavari

b.

Mahanadi

c.

Tapi

d.

Narmada

Question number: 628

» Mathematics » Mensuration

MCQ▾

Question

∆ABC is a triangle with AB = AC and BC = 9 cm. If the height from A to BC is 6 cm, then the height from C to AB (in cm), is

Choices

Choice (4) Response
a.

6.0

b.

7.2

c.

7.5

d.

8.0

Question number: 629

» Mathematics » Simple Interest and Compound Interest

MCQ▾

Question

If the simple interest for a certain sum at 7 % per annum for 2 years is Rs. 400. What will be the difference between the compound interest and simple interest?

Choices

Choice (4) Response
a.

Rs. 14

b.

Rs. 16

c.

Rs. 12

d.

Rs. 10

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