NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension: Questions 623  629 of 828
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Question number: 623
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
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
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
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
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
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
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 
