Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 54  59 of 224
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Question number: 54
» Mathematics » Linear Equation
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: 55
» Mathematics » Simple Interest and Compound Interest
Question
The compound interest on Rs. 5000 for 3 year at 5 % for the first year, 10 % for the second year and 12 % for the third year will be
Choices
Choice (4)  Response  

a.  Rs. 5580 

b.  Rs. 1468 

c.  Rs. 5850 

d.  Rs. 1648 

Question number: 56
» Mathematics » Percentage
Question
A student obtains 75%, 80 % and 85 % marks in three subjects. If the marks of any other subject are added, then their average cannot be less than
Choices
Choice (4)  Response  

a.  60% 

b.  65% 

c.  70% 

d.  80% 

Question number: 57
» Mathematics » Trigonometry
Question
If A is the area of a right angled triangle and b is one of the sides containing the right angle, then what is the length of the altitude on the hypotenuse?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 58
» Mathematics » Percentage
Question
At what price must Sarita sell a mixture of 80 kg sugar at Rs. 6.75 per kg with 120 kg at Rs. 8 per kg to gain 20%?
Choices
Choice (4)  Response  

a.  Rs. 9 per kg 

b.  Rs. 8.20 per kg 

c.  Rs. 8.85 per kg 

d.  Rs. 7.50 per kg 

Question number: 59
» Mathematics » Number Systems
Question
Consider the following statements
I. If x and y are composite integers, so also is x + y.
II. If x and y are composite integers and x > y, then x  y is also a composite integer.
III. If x and y are composite integers, so also in xy. Of the above, the correct statement (s) is/are
Choices
Choice (4)  Response  

a.  I and II 

b.  Only III 

c.  All the three 

d.  Question does not provide sufficient data or is vague 
